Spin Nematic Liquid Crystal and Scalar Spin Chirality in Tetragonal Lattice YbMnBi2
Yaofeng Xie, Sijie Xu, Yu Pan, Taekoo Oh, Tingjun Zhang, Masaaki Matsuda, Zhaoyu Liu, Zehao Wang, Yiheng Wang, Siyu Pan, Avishek Maity, Sylwia Pawledzio, Xiaoping Wang, Songxue Chi, Feng Ye, Yiqing Hao, Huibo Cao, Barry L. Winn, Melissa K. Graves-Brook, Shuai Wu, Fan Li, Xiaoyuan Zhou, Claudia Felser, Naoto Nagaosa, and Pengcheng Dai
Phys. Rev. X 16, 041001 (2026). (Published on Oct 1st, 2026) [pdf file] [DOI]
Structural Phase Separation Couples to Charge-Density-Wave Formation in Kagome Metal FeGe
Boyang Zhao, Youngjun Ahn, Qinwen Deng, Yidai Liu, Sijie Xu, Donald A. Walko, Stephan O. Hruszkewycz, Pengcheng Dai, Liang Wu, and Haidan Wen
Phys. Rev. Lett. 137, 146102 (2026). (Published on Sep 29th, 2026) [pdf file] [DOI]
Winding feature and thermal evolution of the gapped Dirac magnons in CrI3
Weiliang Yao, Matthew B. Stone, Colin L. Sarkis, Yi Li, Ruixian Liu, Xingye Lu, and Pengcheng Dai
Phys. Rev. B 114, 134413 (2026). (Published on Sep 10th, 2026) [pdf file] [DOI]
Strain-Tunable Anomalous Hall Effect in Hexagonal MnTe
Zhaoyu Liu, Sijie Xu, Jonathan M. DeStefano, Elliott Rosenberg, Tingjun Zhang, Jinyulin Li, Matthew B. Stone, Feng Ye, Wei Tian, Sarah Edwards, Rong Cong, Siyu Pan, Ching-Wu Chu, Liangzi Deng, Emilia Morosan, Rafael M. Fernandes, Jiun-Haw Chu, and Pengcheng Dai
Phys. Rev. X 16, 031033 (2026). (Published on Aug 11th, 2026) [pdf file] [DOI]
Uniaxial Strain Tuned Magnetism of the Altermagnet Candidate H-FeS
Weiliang Yao, Feng Ye, Zachary J. Morgan, Douglas L. Abernathy, Ruixian Liu, Sijie Xu, Yuxiang Gao, Kevin Allen, Yuan Fang, Emilia Morosan, Qimiao Si, Pengcheng Dai
Advanced Materials, e74398 (2026). (Published on Aug 6th, 2026) [pdf file] [DOI]
Charge-spin dichotomy in the kagome metal CsCr3Sb5
Asato Onishi, Yoichi Kageyama, Cédric Bareille, Sogen Ikegami, Zifan Xu, Kota Ishihara, Hirokazu Fujiwara, Zehao Wang, Bin Gao, Weiliang Yao, Pengcheng Dai, Youichi Yamakawa, Hiroshi Kontani, Toshiyuki Taniuchi, Kenichiro Hashimoto, & Takasada Shibauchi
Nature Communications 17, 6130 (2026). (Published on Jul 17th, 2026) [pdf file] [DOI]
Fermi Surface of Kagome Metal CsCr3Sb5 Observed by Laser Photoemission Microscopy
Hayate Kunitsu, Iori Ishiguro, Natsuki Mitsuishi, Shunsuke Tsuda, Koichiro Yaji, Zehao Wang, Pengcheng Dai, Yoichi Yamakawa, Hiroshi Kontani, and Takahiro Shimojima
Journal of the Physical Society of Japan 95, 073703 (2026). (Published on Jul 1st, 2026) [pdf file] [DOI]
Spectroscopic Demarcation of Emergent Photons and Spinons in a Dipolar-Octupolar Quantum Spin Liquid
Bin Gao, Zhengbang Zhou, Tingjun Zhang, Andrey Podlesnyak, Sang-Wook Cheong, Yong Baek Kim, and Pengcheng Dai
Phys. Rev. Lett. 136, 256703 (2026). (Published on Jun 23rd, 2026) [pdf file] [DOI]
Probing the effective mass and fermi velocity of charges by momentum-resolved electron energy loss spectroscopy
Chih-Ying Huang , Somboon Fongchaiya , Chen-Yu Hung , Ta-Lei Chou , Ssu-Yen Huang , Chao-Sung Lin , Chun-Wei Chen , Mason Klemm , Sijie Xu , Bin Gao , Pengcheng Dai , Ming-Wen Chu
Microscopy 75, 157–163 (2026). (Published on Apr 10th, 2026) [pdf file] [DOI]
Thermoelectric evidence of the electronic structure changes from the charge density wave transition in FeGe
Kaila Jenkins, Yuan Zhu, Dechen Zhang, Guoxin Zheng, Kuan-Wen Chen, Aaron Chan, Sijie Xu, Mason L. Klemm, Bin Gao, Ming Yi, Pengcheng Dai, and Lu Li
Phys. Rev. B 113, 165112 (2026). (Published on Apr 10th, 2026) [pdf file] [DOI]
Magnetic field-induced momentum-dependent symmetry breaking in a kagome superconductor
Jianwei Huang, Zheng Ren, Hengxin Tan, Jounghoon Hyun, Yichen Zhang, Thomas A. Hulse, Zhaoyu Liu, Jonathan M. DeStefano, Yaofeng Xie, Ziqin Yue, Junichiro Kono, Pengcheng Dai, Yu He, Aki Pulkkinen, Ján Minár, Jiun-Haw Chu, Ziqiang Wang, Binghai Yan, Rafael M. Fernandes, & Ming Yi
Nature Physics 22, 550–558 (2026). (Published on Mar 11th, 2026) [pdf file] [DOI]
Dichotomy of flat bands in the van der Waals ferromagnet Fe5GeTe2
Han Wu, Jianwei Huang, Chaowei Hu, Lei Chen, Yiqing Hao, Yue Shi, Paul Malinowski, Yucheng Guo, Bo Gyu Jang, Jian-Xin Zhu, Andrew F. May, Tyler Werner, Siqi Wang, Xiang Chen, Yaofeng Xie, Bin Gao, Yichen Zhang, Ziqin Yue, Zheng Ren, Makoto Hashimoto, Donghui Lu, Alexei Fedorov, Sung-Kwan Mo, Junichiro Kono, Yu He, Robert J. Birgeneau, Pengcheng Dai, Xiaodong Xu, Huibo Cao, Qimiao Si, Jiun-Haw Chu, and Ming Yi
Phys. Rev. B 113, 125120 (2026). (Published on Mar 10th, 2026) [pdf file] [DOI]
Spin excitation continuum from degenerate states in the mixed ferro-antiferromagnetic exchange system CeMgAl11O19
Bin Gao, Tong Chen, Chunxiao Liu, Mason L. Klemm, Shu Zhang, Zhen Ma, Xianghan Xu, Choongjae Won, Gregory T. McCandless, Karthik Rao, Naoki Murai, Seiko Ohira-Kawamura, Stephen J. Moxim, Jason T. Ryan, Xiaozhou Huang, Xiaoping Wang, Manh Duc Le, Emilia Morosan, Julia Y. Chan, Sang-Wook Cheong, Oleg Tchernyshyov, Leon Balents, Pengcheng Dai
Science Advances 12, eaed7778 (2026). (Published on Mar 6th, 2026) [pdf file] [DOI]
Signatures of Three-State Potts Nematicity in Spin Excitations of the van der Waals Antiferromagnet FePSe3
Weiliang Yao, Viviane Peçanha-Antonio, Devashibhai T. Adroja, Steven J. Gomez Alvarado, Bin Gao, Sijie Xu, Ruixian Liu, Xingye Lu, and Pengcheng Dai
Nano Letters 26, 3149–3155 (2026). (Published on Feb 24th, 2026) [pdf file] [DOI]
Quasi-One-Dimensional Spin Excitations in the Iron Pnictide NaFe0.53Cu0.47As
Yifan Wang, David W. Tam, Weiyi Wang, R. A. Ewings, J. Ross Stewart, Masaaki Matsuda, Chongde Cao, Changle Liu, Rong Yu, Pengcheng Dai, and Yu Song
Phys. Rev. Lett. 136, 066503 (2026). (Published on Feb 12th, 2026) [pdf file] [DOI]
Interacting spin and charge density waves in the kagome metal FeGe
Mason L. Klemm, Tingjun Zhang, Barry L. Winn, Fankang Li, Feng Ye, Masaaki Matsuda, Avishek Maity, Sijie Xu, Xiaokun Teng, Yoshihiko Umemoto, Bin Gao, Ming Yi, and Pengcheng Dai
Phys. Rev. B 112, 174422 (2025). (Published on Nov 18th, 2025) [pdf file] [DOI]
Spin excitations and flat electronic bands in a Cr-based kagome superconductor
Zehao Wang, Yucheng Guo, Hsiao-Yu Huang, Fang Xie, Yuefei Huang, Bin Gao, Ji Seop Oh, Han Wu, Jun Okamoto, Ganesha Channagowdra, Chien-Te Chen, Feng Ye, Xingye Lu, Zhaoyu Liu, Zheng Ren, Yuan Fang, Yiming Wang, Ananya Biswas, Yichen Zhang, Ziqin Yue, Cheng Hu, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Makoto Hashimoto, Donghui Lu, Junichiro Kono, Jiun-Haw Chu, Boris I. Yakobson, Robert J. Birgeneau, Guang-Han Cao, Atsushi Fujimori, Di-Jing Huang, Qimiao Si, Ming Yi, and Pengcheng Dai
Nature Communications 16, 7573 (2025). (Published on Aug 14th, 2025) [pdf file] [DOI]
Charge density fluctuations with enhanced superconductivity at the proposed quantum critical point of Sr0.77Ba0.23Ni2As2
Y. Chen, N. Giles-Donovan, J. Guo, R. Chen, Y. Xie, H. Fukui, T. Manjo, D. Ishikawa, A. Q. R. Baron, A. A. Aczel, P. Dai, Y. Song, and R. J. Birgeneau
Phys. Rev. B 112, 075119 (2025). (Published on Aug 8th, 2025) [pdf file] [DOI]
Microscopic Origins of the Long-Range Charge-Density Wave in Kagome FeGe
Saif Siddique, Mason Klemm, Qi Tang, Mehrdad T Kiani, Mostafa Hassani, Pengcheng Dai, Judy J Cha
Microscopy and Microanalysis 31, ozaf048.329 (2025). (Published on Jul 25th, 2025) [pdf file] [DOI]
Disentangling the intertwined orders in a magnetic kagome metal
Ji Seop Oh, Ananya Biswas, Mason L. Klemm, Hengxin Tan, Yaofeng Xie, Bin Gao, Makoto Hashimoto, Donghui Lu, Binghai Yan, Pengcheng Dai, Robert J. Birgeneau, and Ming Yi
Science Advances 11, eadt2195 (2025). (Published on Jul 2nd, 2025) [pdf file] [DOI]
Neutron scattering and thermodynamic evidence for emergent photons and fractionalization in a pyrochlore spin ice
Bin Gao, Félix Desrochers, David W. Tam, Diana M. Kirschbaum, Paul Steffens, Arno Hiess, Duy Ha Nguyen, Yixi Su, Sang-Wook Cheong, Silke Paschen, Yong Baek Kim, & Pengcheng Dai
Nature Physics 21, 1203–1210 (2025). (Published on Jun 19th, 2025) [pdf file] [DOI]
Linear scaling relation between two-dimensional massless Dirac fermion Fermi velocity and Fe-As bond length in iron arsenide superconductor systems
Chengpu Lv, Jianzhou Zhao, Yueshan Xu, Yu Song, Chenglin Zhang, Mykhaylo Ozerov, Pengcheng Dai, Nan-Lin Wang, and Zhi-Guo Chen
Phys. Rev. B 111, L241110 (2025). (Published on Jun 12th, 2025) [pdf file] [DOI]
Spin correlations in the nematic quantum disordered state of FeSe
Ruixian Liu, Matthew B. Stone, Shang Gao, Mitsutaka Nakamura, Kazuya Kamazawa, Aleksandra Krajewska, Helen C. Walker, Peng Cheng, Rong Yu, Qimiao Si, Pengcheng Dai & Xingye Lu
Nature Communications 16, 5212 (2025). (Published on Jun 5th, 2025) [pdf file] [DOI]
Magnetism of kagome metals (Fe1−xCox) Sn studied by μSR
Yipeng Cai, Sungwon Yoon, Qi Sheng, Guoqiang Zhao, Eric Francis Seewald, Sanat Ghosh, Julian Ingham, Abhay Narayan Pasupathy, Raquel Queiroz, Hechang Lei, Yaofeng Xie, Pengcheng Dai, Takashi Ito, Ruyi Ke, Robert J. Cava, Sudarshan Sharma, Mathew Pula, Graeme M. Luke, Kenji M. Kojima, and Yasutomo J. Uemura
Phys. Rev. B 111, 214412 (2025). (Published on Jun 5th, 2025) [pdf file] [DOI]
Evidence for Mobile Gapless Spinons in a Honeycomb Lattice
Chengpeng Tu, Dongzhe Dai, Xu Zhang, Chengcheng Zhao, Xiaobo Jin, Bin Gao, Tong Chen, Pengcheng Dai, Shiyan Li
Chinese Physics Letters 42, 067304 (2025). (Published on Jun 4th, 2025) [pdf file] [DOI]
Anomalous properties of spark plasma sintered boron nitride solids
Abhijit Biswas, Peter Serles, Gustavo A. Alvarez, Jesse Schimpf, Michel Hache, Jonathan Kong, Pedro Guerra Demingos, Bo Yuan, Tymofii S. Pieshkov, Chenxi Li, Anand B. Puthirath, Bin Gao, Tia Gray, Xiang Zhang, Jishnu Murukeshan, Robert Vajtai, Pengcheng Dai, Chandra Veer Singh, Jane Howe, Yu Zou, Lane W. Martin, James Patrick Clancy, Zhiting Tian, Tobin Filleter, Pulickel M. Ajayan
Materials Today 86, 42–51 (2025). (Published on May 16th, 2025) [pdf file] [DOI]
Anomalous Electrical Transport in the Kagome Magnet YbFe6Ge6
Weiliang Yao, Supeng Liu, Hodaka Kikuchi, Hajime Ishikawa, Øystein S. Fjellvåg, David W. Tam, Feng Ye, Douglas L. Abernathy, George D.A. Wood, Devashibhai Adroja, Chun-Ming Wu, Chien-Lung Huang, Bin Gao, Yaofeng Xie, Yuxiang Gao, Karthik Rao, Emilia Morosan, Koichi Kindo, Takatsugu Masuda, Kenichiro Hashimoto, Takasada Shibauchi, and Pengcheng Dai
Phys. Rev. Lett. 134, 186501 (2025). (Published on May 6th, 2025) [pdf file] [DOI]
Correlation between complex spin textures and the magnetocaloric and Hall effects in Eu(Ga1−xAlx)4 (x=0.9, 1)
Kelly J. Neubauer, Kevin Allen, Jaime M. Moya, Mason L. Klemm, Feng Ye, Zachary Morgan, Lisa DeBeer-Schmitt, Wei Tian, Emilia Morosan, & Pengcheng Dai
Phys. Rev. B 111, 165136 (2025). (Published on Apr 21st, 2025) [pdf file] [DOI]
Vacancy-induced suppression of charge density wave order and its impact on magnetic order in kagome antiferromagnet FeGe
Mason L. Klemm, Saif Siddique, Yuan-Chun Chang, Sijie Xu, Yaofeng Xie, Tanner Legvold, Mehrdad T. Kiani, Xiaokun Teng, Bin Gao, Feng Ye, Huibo Cao, Yiqing Hao, Wei Tian, Hubertus Luetkens, Masaaki Matsuda, Douglas Natelson, Zurab Guguchia, Chien-Lung Huang, Ming Yi, Judy J. Cha, & Pengcheng Dai
Nature Communications 16, 3313 (2025). (Published on Apr 7th, 2025) [pdf file] [DOI]
Charge Dynamics of an Unconventional Three-Dimensional Charge Density Wave in Kagome FeGe
Shaohui Yi, Zhiyu Liao, Qi Wang, Haiyang Ma, Jianpeng Liu, Xiaokun Teng, Bin Gao, Pengcheng Dai, Yaomin Dai, Jianzhou Zhao, Yanpeng Qi, Bing Xu, and Xianggang Qiu
Phys. Rev. Lett. 134, 086902 (2025). (Published on Feb 27th, 2025) [pdf file] [DOI]
Search for orbital magnetism in the kagome superconductor CsV3Sb5 using neutron diffraction
William Liège, Yaofeng Xie, Dalila Bounoua, Yvan Sidis, Frédéric Bourdarot, Yongkai Li, Zhiwei Wang, Jia-Xin Yin, Pengcheng Dai, and Philippe Bourges
Phys. Rev. B 110, 195109 (2024). (Published on Nov 1st, 2024) [pdf file] [DOI]
Persistent flat band splitting and strong selective band renormalization in a kagome magnet thin film
Zheng Ren, Jianwei Huang, Hengxin Tan, Ananya Biswas, Aki Pulkkinen, Yichen Zhang, Yaofeng Xie, Ziqin Yue, Lei Chen, Fang Xie, Kevin Allen, Han Wu, Qirui Ren, Anil Rajapitamahuni, Asish K. Kundu, Elio Vescovo, Junichiro Kono, Emilia Morosan, Pengcheng Dai, Jian-Xin Zhu, Qimiao Si, Ján Minár, Binghai Yan, & Ming Yi
Nature Communications 15, 9376 (2024). (Published on Oct 31st, 2024) [pdf file] [DOI]
Observation of flat bands and Dirac cones in a pyrochlore lattice superconductor
Jianwei Huang, Chandan Setty, Liangzi Deng, Jing-Yang You, Hongxiong Liu, Sen Shao, Ji Seop Oh, Yucheng Guo, Yichen Zhang, Ziqin Yue, Jia-Xin Yin, Makoto Hashimoto, Donghui Lu, Sergey Gorovikov, Pengcheng Dai, Jonathan D. Denlinger, J. W. Allen, M. Zahid Hasan, Yuan-Ping Feng, Robert J. Birgeneau, Youguo Shi, Ching-Wu Chu, Guoqing Chang, Qimiao Si & Ming Yi
npj Quantum Materials 9, 71 (2024). (Published on Sep 19th, 2024) [pdf file] [DOI]
Evidence for time-reversal symmetry-breaking kagome superconductivity
Hanbin Deng, Guowei Liu, Z. Guguchia, Tianyu Yang, Jinjin Liu, Zhiwei Wang, Yaofeng Xie, Sen Shao, Haiyang Ma, William Liège, Frédéric Bourdarot, Xiao-Yu Yan, Hailang Qin, C. Mielke III, R. Khasanov, H. Luetkens, Xianxin Wu, Guoqing Chang, Jianpeng Liu, Morten Holm Christensen, Andreas Kreisel, Brian Møller Andersen, Wen Huang, Yue Zhao, Philippe Bourges, Yugui Yao, Pengcheng Dai & Jia-Xin Yin
Nature Materials 23, 1639–1644 (2024). (Published on Aug 28th, 2024) [pdf file] [DOI]
Conventional superconductivity in the doped kagome superconductor Cs(V0.86Ta0.14)3Sb5 from vortex lattice studies
Yaofeng Xie, Nathan Chalus, Zhiwei Wang, Weiliang Yao, Jinjin Liu, Yugui Yao, Jonathan S. White, Lisa M. DeBeer-Schmitt, Jia-Xin Yin, Pengcheng Dai, & Morten Ring Eskildsen
Nature Communications 15, 6467 (2024). (Published on Aug 1st, 2024) [pdf file] [DOI]
Absence of E2g Nematic Instability and Dominant A1g Response in the Kagome Metal CsV3Sb5
Zhaoyu Liu, Yue Shi, Qianni Jiang, Elliott W. Rosenberg, Jonathan M. DeStefano, Jinjin Liu, Chaowei Hu, Yuzhou Zhao, Zhiwei Wang, Yugui Yao, David Graf, Pengcheng Dai, Jihui Yang, Xiaodong Xu, and Jiun-Haw Chu
Phys. Rev. X 14, 031015 (2024). (Published on Jul 29th, 2024) [pdf file] [DOI]
Spin-Charge-Lattice Coupling across the Charge Density Wave Transition in a Kagome Lattice Antiferromagnet
Xiaokun Teng, David W. Tam, Lebing Chen, Hengxin Tan, Yaofeng Xie, Bin Gao, Garrett E. Granroth, Alexandre Ivanov, Philippe Bourges, Binghai Yan, Ming Yi, and Pengcheng Dai
Phys. Rev. Lett. 133, 046502 (2024). (Published on Jul 25th, 2024) [pdf file] [DOI]
Orbital Ingredients and Persistent Dirac Surface State for the Topological Band Structure in FeTe0.55Se0.45
Y.-F. Li, S.-D. Chen, M. García-Díez, M. I. Iraola, H. Pfau, Y.-L. Zhu, Z.-Q. Mao, T. Chen, M. Yi, P.-C. Dai, J. A. Sobota, M. Hashimoto, M. G. Vergniory, D.-H. Lu, and Z.-X. Shen
Phys. Rev. X 14, 021043 (2024). (Published on Jun 11th, 2024) [pdf file] [DOI]
Thermal evolution of spin excitations in honeycomb Ising antiferromagnetic FePSe3
Lebing Chen, Xiaokun Teng, Ding Hu, Feng Ye, Garrett E. Granroth, Ming Yi, Jae-Ho Chung, Robert J. Birgeneau, & Pengcheng Dai
npj Quantum Materials 9, 40 (2024). (Published on May 13th, 2024) [pdf file] [DOI]
Modulation of dielectric properties of hexagonal/cubic boron nitride composites
Mingfei Xu; Ziyi He; Abhijit Biswas; Shisong Luo; Tao Li; Cheng Chang; Chenxi Li; Bin Gao; Robert Vajtai; Pengcheng Dai; Pulickel M. Ajayan; Yuji Zhao
Applied Physics Letters 124, 192903 (2024). (Published on May 7th, 2024) [pdf file] [DOI]
Reversible non-volatile electronic switching in a near-room-temperature van der Waals ferromagnet
Han Wu, Lei Chen, Paul Malinowski, Bo Gyu Jang, Qinwen Deng, Kirsty Scott, Jianwei Huang, Jacob P. C. Ruff, Yu He, Xiang Chen, Chaowei Hu, Ziqin Yue, Ji Seop Oh, Xiaokun Teng, Yucheng Guo, Mason Klemm, Chuqiao Shi, Yue Shi, Chandan Setty, Tyler Werner, Makoto Hashimoto, Donghui Lu, Turgut Yilmaz, Elio Vescovo, Sung-Kwan Mo, Alexei Fedorov, Jonathan D. Denlinger, Yaofeng Xie, Bin Gao, Junichiro Kono, Pengcheng Dai, Yimo Han, Xiaodong Xu, Robert J. Birgeneau, Jian-Xin Zhu, Eduardo H. da Silva Neto, Liang Wu, Jiun-Haw Chu, Qimiao Si & Ming Yi
Nature Communications 15, 2739 (2024). (Published on Mar 28th, 2024) [pdf file] [DOI]
Quantum simulation of an extended Dicke model with a magnetic solid
Nicolas Marquez Peraca, Xinwei Li, Jaime M. Moya, Kenji Hayashida, Dasom Kim, Xiaoxuan Ma, Kelly J. Neubauer, Diego Fallas Padilla, Chien-Lung Huang, Pengcheng Dai, Andriy H. Nevidomskyy, Han Pu, Emilia Morosan, Shixun Cao, Motoaki Bamba & Junichiro Kono
Communications Materials 5, 42 (2024). (Published on Mar 22nd, 2024) [pdf file] [DOI]
Spectral evidence for local-moment ferromagnetism in the van der Waals metals Fe3GaTe2 and Fe3GeTe2
Han Wu, Chaowei Hu, Yaofeng Xie, Bo Gyu Jang, Jianwei Huang, Yucheng Guo, Shan Wu, Cheng Hu, Ziqin Yue, Yue Shi, Rourav Basak, Zheng Ren, T. Yilmaz, Elio Vescovo, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Alexei Fedorov, Jonathan D. Denlinger, Christoph Klewe, Padraic Shafer, Donghui Lu, Makoto Hashimoto, Junichiro Kono, Alex Frano, Robert J. Birgeneau, Xiaodong Xu, Jian-Xin Zhu, Pengcheng Dai, Jiun-Haw Chu, and Ming
Phys. Rev. B 109, 104410 (2024). (Published on Mar 15th, 2024) [pdf file] [DOI]
Symmetry Breaking and Ascending in the Magnetic Kagome Metal FeGe
Shangfei Wu, Mason L. Klemm, Jay Shah, Ethan T. Ritz, Chunruo Duan, Xiaokun Teng, Bin Gao, Feng Ye, Masaaki Matsuda, Fankang Li, Xianghan Xu, Ming Yi, Turan Birol, Pengcheng Dai, and Girsh Blumberg
Phys. Rev. X 14, 011043 (2024). (Published on Mar 8th, 2024) [pdf file] [DOI]
Competing itinerant and local spin interactions in kagome metal FeGe
Lebing Chen, Xiaokun Teng, Hengxin Tan, Barry L. Winn, Garrett E. Granroth, Feng Ye, D. H. Yu, R. A. Mole, Bin Gao, Binghai Yan, Ming Yi, and Pengcheng Dai
Nature Communications 15, 1918 (2024). (Published on Mar 1st, 2024) [pdf file] [DOI]
In-plane anisotropic magnetoresistance in detwinned BaFe2−xNixAs2 (x=0, 0.6)
Kelly J. Neubauer, Mason L. Klemm, Shirin Mozaffari, Lin Jiao, Alexei E. Koshelev, Alexander Yaresko, Ming Yi, Luis Balicas, and Pengcheng Dai
Phys. Rev. B 109, 054435 (2024). (Published on Feb 29th, 2024) [pdf file] [DOI]
Cubic and hexagonal boron nitride phases and phase boundaries
Abhijit Biswas, Gustavo A. Alvarez, Manoj Tripathi, Jonghoon Lee, Tymofii S. Pieshkov, Chenxi Li, Bin Gao, Anand B. Puthirath, Xiang Zhang, Tia Gray, Jacob Elkins, Robert Vajtai, Pengcheng Dai, A. Glen Birdwell, Mahesh R. Neupane, Tony Ivanov, Elias J. Garratt, Bradford B. Pate, Ajit K. Roy, Alan Dalton, Zhiting Tian, and Pulickel M. Ajayan
Journal of Materials Chemistry C 12, 3053–3062 (2024). (Published on Feb 12th, 2024) [pdf file] [DOI]
Nematic superconductivity from selective orbital pairing in iron pnictide single crystals
Mason L. Klemm, Shirin Mozaffari, Rui Zhang, Brian W. Casas, Alexei E. Koshelev, Ming Yi, Luis Balicas, and Pengcheng Dai
Cell Reports Physical Science 5, 101816 (2024). (Published on Feb 6th, 2024) [pdf file] [DOI]
Multicondensate lengths with degenerate excitation gaps in BaNi2As2 revealed by muon spin relaxation study
Kaiwen Chen, Zihao Zhu, Yaofeng Xie, Adrian D. Hillier, James S. Lord, Pengcheng Dai, and Lei Shu
Phys. Rev. B 109, 024513 (2024). (Published on Jan 29th, 2024) [pdf file] [DOI]
Non-Fermi liquid behaviour in a correlated flat-band pyrochlore lattice
Jianwei Huang, Lei Chen, Yuefei Huang, Chandan Setty, Bin Gao, Yue Shi, Zhaoyu Liu, Yichen Zhang, Turgut Yilmaz, Elio Vescovo, Makoto Hashimoto, Donghui Lu, Boris I. Yakobson, Pengcheng Dai, Jiun-Haw Chu, Qimiao Si & Ming Yi
Nature Physics 20, 603–609 (2024). (Published on Jan 26th, 2024) [pdf file] [DOI]
Two-step electronic response to magnetic ordering in a van der Waals ferromagnet
Han Wu, Jian-Xin Zhu, Lebing Chen, Matthew W. Butcher, Ziqin Yue, Dongsheng Yuan, Yu He, Ji Seop Oh, Bin Gao, Jianwei Huang, Shan Wu, Cheng Gong, Yucheng Guo, Sung-Kwan Mo, Jonathan Denlinger, Donghui Lu, Makoto Hashimoto, Matthew B. Stone, Alexander I. Kolesnikov, Songxue Chi, Junichiro Kono, Andriy H. Nevidomskyy, Robert J. Birgeneau, Pengcheng Dai, and Ming Yi
Phys. Rev. B 109, 045416 (2024). (Published on Jan 12th, 2024) [pdf file] [DOI]
Antiferromagnet to ferromagnet crossover driven by nonmagnetic Co doping in heavy-fermion YbRh3Si7
Long Qian, Kelly Neubauer, Joshua Miller, Yuxiang Gao, Jordan Murley, Songxue Chi, Shiming Lei, Pengcheng Dai, and E. Morosan
Phys. Rev. B 108, 184404 (2023). (Published on Nov 7th, 2023) [pdf file] [DOI]
In-plane uniaxial-strain tuning of superconductivity and charge-density wave in CsV3Sb5
Xiaoran Yang, Qi Tang, Qiuyun Zhou, Huaiping Wang, Yi Li, Xue Fu, Jiawen Zhang, Yu Song, Huiqiu Yuan, Pengcheng Dai, and Xingye Lu
Chinese Physics B 32, 127101 (2023). (Published on Sep 6th, 2023) [pdf file] [DOI]
Spectral evidence for unidirectional charge density wave in detwinned BaNi2As2
Yucheng Guo, Mason Klemm, Ji Seop Oh, Yaofeng Xie, Bing-Hua Lei, Luca Moreschini, Cheng Chen, Ziqin Yue, Sergey Gorovikov, Tor Pedersen, Matteo Michiardi, Sergey Zhdanovich, Andrea Damascelli, Jonathan Denlinger, Makoto Hashimoto, Donghui Lu, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Sung-Kwan Mo, Rob G. Moore, Junichiro Kono, Robert J. Birgeneau, David J. Singh, Pengcheng Dai, and Ming Yi
Phys. Rev. B 108, L081104 (2023). (Published on Aug 8th, 2023) [pdf file] [DOI]
Disorder-induced excitation continuum in a spin-1/2 cobaltate on a triangular lattice
Bin Gao, Tong Chen, Chien-Lung Huang, Yiming Qiu, Guangyong Xu, Jesse Liebman, Lebing Chen, Matthew B. Stone, Erxi Feng, Huibo Cao, Xiaoping Wang, Xianghan Xu, Sang-Wook Cheong, Stephen M. Winter, and Pengcheng Dai
Phys. Rev. B 108, 024431 (2023). (Published on Jul 31st, 2023) [pdf file] [DOI]
Phase Stability of Hexagonal/Cubic Boron Nitride Nanocomposites
Abhijit Biswas, Rui Xu, Joyce Christiansen-Salameh, Eugene Jeong, Gustavo A. Alvarez, Chenxi Li, Anand B. Puthirath, Bin Gao, Arushi Garg, Tia Gray, Harikishan Kannan, Xiang Zhang, Jacob Elkins, Tymofii S. Pieshkov, Robert Vajtai, A. Glen Birdwell, Mahesh R. Neupane, Bradford B. Pate, Tony Ivanov, Elias J. Garratt, Pengcheng Dai, Hanyu Zhu, Zhiting Tian, and Pulickel M. Ajayan
Nano Letters 23, 6927–6936 (2023). (Published on Jul 25th, 2023) [pdf file] [DOI]
Diffusive excitonic bands from frustrated triangular sublattice in a singlet-ground-state system
Bin Gao, Tong Chen, Xiao-Chuan Wu, Michael Flynn, Chunruo Duan, Lebing Chen, Chien-Lung Huang, Jesse Liebman, Shuyi Li, Feng Ye, Matthew B. Stone, Andrey Podlesnyak, Douglas L. Abernathy, Devashibhai T. Adroja, Manh Duc Le, Qingzhen Huang, Andriy H. Nevidomskyy, Emilia Morosan, Leon Balents, & Pengcheng Dai
Nature Communications 14, 2051 (2023). (Published on Apr 12th, 2023) [pdf file] [DOI]
Exchange field enhanced upper critical field of the superconductivity in compressed antiferromagnetic EuTe2
Hualei Sun, Liang Qiu, Yifeng Han, Yunwei Zhang, Weiliang Wang, Chaoxin Huang, Naitian Liu, Mengwu Huo, Lisi Li, Hui Liu, Zengjia Liu, Peng Cheng, Hongxia Zhang, Hongliang Wang, Lijie Hao, Man-Rong Li, Dao-Xin Yao, Yusheng Hou, Pengcheng Dai & Meng Wang
Communications Physics 6, 40 (2023). (Published on Mar 1st, 2023) [pdf file] [DOI]
Imaging real-space flat band localization in kagome magnet FeSn
Daniel Multer, Jia-Xin Yin, Md. Shafayat Hossain, Xian Yang, Brian C. Sales, Hu Miao, William R. Meier, Yu-Xiao Jiang, Yaofeng Xie, Pengcheng Dai, Jianpeng Liu, Hanbin Deng, Hechang Lei, Biao Lian, & M. Zahid Hasan
Communications Materials 4, 17 (2023). (Published on Feb 22nd, 2023) [pdf file] [DOI]
Evidence for Topological Magnon–Phonon Hybridization in a 2D Antiferromagnet down to the Monolayer Limit
Jiaming Luo, Shuyi Li, Zhipeng Ye, Rui Xu, Han Yan, Junjie Zhang, Gaihua Ye, Lebing Chen, Ding Hu, Xiaokun Teng, William A. Smith, Boris I. Yakobson, Pengcheng Dai, Andriy H. Nevidomskyy, Rui He, and Hanyu Zhu
Nano Letters 23, 2023–2030 (2023). (Published on Feb 16th, 2023) [pdf file] [DOI]
Magnetism and charge density wave order in kagome FeGe
Xiaokun Teng, Ji Seop Oh, Hengxin Tan, Lebing Chen, Jianwei Huang, Bin Gao, Jia-Xin Yin, Jiun-Haw Chu, Makoto Hashimoto, Donghui Lu, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Garrett E. Granroth, Binghai Yan, Robert J. Birgeneau, Pengcheng Dai & Ming Yi
Nature Physics 19, 814–822 (2023). (Published on Feb 13th, 2023) [pdf file] [DOI]
Tunable unconventional kagome superconductivity in charge ordered RbV3Sb5 and KV3Sb5
Z. Guguchia, C. Mielke III, D. Das, R. Gupta, J.-X. Yin, H. Liu, Q. Yin, M. H. Christensen, Z. Tu, C. Gong, N. Shumiya, Md Shafayat Hossain, Ts. Gamsakhurdashvili, M. Elender, Pengcheng Dai, A. Amato, Y. Shi, H. C. Lei, R. M. Fernandes, M. Z. Hasan, H. Luetkens, & R. Khasanov
Nature Communications 14, 153 (2023). (Published on Jan 11th, 2023) [pdf file] [DOI]
Spin structure and dynamics of the topological semimetal Co3Sn2−xInxS2
Kelly J. Neubauer, Feng Ye, Yue Shi, Paul Malinowski, Bin Gao, Keith M. Taddei, Philippe Bourges, Alexandre Ivanov, Jiun-Haw Chu, & Pengcheng Dai
npj Quantum Materials 7, 112 (2022). (Published on Dec 1st, 2022) [pdf file] [DOI]
Discovery of Charge Order and Corresponding Edge State in Kagome Magnet FeGe
Jia-Xin Yin, Yu-Xiao Jiang, Xiaokun Teng, Md. Shafayat Hossain, Sougata Mardanya, Tay-Rong Chang, Zijin Ye, Gang Xu, M. Michael Denner, Titus Neupert, Benjamin Lienhard, Han-Bin Deng, Chandan Setty, Qimiao Si, Guoqing Chang, Zurab Guguchia, Bin Gao, Nana Shumiya, Qi Zhang, Tyler A. Cochran, Daniel Multer, Ming Yi, Pengcheng Dai, and M. Zahid Hasan
Phys. Rev. Lett. 129, 166401 (2022). (Published on Oct 10th, 2022) [pdf file] [DOI]
Magnetic field effects in an octupolar quantum spin liquid candidate
Bin Gao, Tong Chen, Han Yan, Chunruo Duan, Chien-Lung Huang, Xu Ping Yao, Feng Ye, Christian Balz, J. Ross Stewart, Kenji Nakajima, Seiko Ohira-Kawamura, Guangyong Xu, Xianghan Xu, Sang-Wook Cheong, Emilia Morosan, Andriy H. Nevidomskyy, Gang Chen, and Pengcheng Dai
Phys. Rev. B 106, 094425 (2022). (Published on Sep 22nd, 2022) [pdf file] [DOI]
Single-crystal growth and superconductivity in RbNi2Se2
Hui Liu, Xunwu Hu, Hanjie Guo, Xiao-Kun Teng, Huanpeng Bu, Zhihui Luo, Lisi Li, Zengjia Liu, Mengwu Huo, Feixiang Liang, Hualei Sun, Bing Shen, Pengcheng Dai, Robert J. Birgeneau, Dao-Xin Yao, Ming Yi, and Meng Wang
Phys. Rev. B 106, 094511 (2022). (Published on Sep 19th, 2022) [pdf file] [DOI]
Discovery of charge density wave in a kagome lattice antiferromagnet
Xiaokun Teng, Lebing Chen, Feng Ye, Elliott Rosenberg, Zhaoyu Liu, Jia-Xin Yin, Yu-Xiao Jiang, Ji Seop Oh, M. Zahid Hasan, Kelly J. Neubauer, Bin Gao, Yaofeng Xie, Makoto Hashimoto, Donghui Lu, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Robert J. Birgeneau, Jiun-Haw Chu, Ming Yi, & Pengcheng Dai
Nature 609, 490–495 (2022). (Published on Sep 14th, 2022) [pdf file] [DOI]
Anisotropic magnon damping by zero-temperature quantum fluctuations in ferromagnetic CrGeTe3
Lebing Chen, Chengjie Mao, Jae-Ho Chung, Matthew B. Stone, Alexander I. Kolesnikov, Xiaoping Wang, Naoki Murai, Bin Gao, Olivier Delaire, and Pengcheng Dai
Nature Communications 13, 4037 (2022). (Published on Jul 12th, 2022) [pdf file] [DOI]
Nematic Fluctuations in the Non-Superconducting Iron Pnictide BaFe1.9−xNi0.1CrxAs2
Dongliang Gong, Ming Yi, Meng Wang, Tao Xie, Wenliang Zhang, Sergey Danilkin, Guochu Deng, Xinzhi Liu, Jitae T. Park, Kazuhiko Ikeuchi, Kazuya Kamazawa, Sung-Kwan Mo, Makoto Hashimoto, Donghui Lu, Rui Zhang, Pengcheng Dai, Robert J. Birgeneau, Shiliang Li, and Huiqian Luo
Frontiers in Physics 10, 886459 (2022). (Published on Jun 13th, 2022) [pdf file] [DOI]
Spin-excitation anisotropy in the nematic state of detwinned FeSe
Xingye Lu, Wenliang Zhang, Yi Tseng, Ruixian Liu, Zhen Tao, Eugenio Paris, Panpan Liu, Tong Chen, Vladimir N. Strocov, Yu Song, Rong Yu, Qimiao Si, Pengcheng Dai, & Thorsten Schmitt
Nature Physics 18, 806–812 (2022). (Published on May 19th, 2022) [pdf file] [DOI]
The Magnetic Genome of Two-Dimensional van der Waals Materials
Qing Hua Wang, Amilcar Bedoya-Pinto, Mark Blei, Avalon H. Dismukes, Assaf Hamo, Sarah Jenkins, Maciej Koperski, Yu Liu, Qi-Chao Sun, Evan J. Telford, Hyun Ho Kim, Mathias Augustin, Uri Vool, Jia-Xin Yin, Lu Hua Li, Alexey Falin, Cory R. Dean, Fèlix Casanova, Richard F. L. Evans, Mairbek Chshiev, Artem Mishchenko, Cedomir Petrovic, Rui He, Liuyan Zhao, Adam W. Tsen, Brian D. Gerardot, Mauro Brotons-Gisbert, Zurab Guguchia, Xavier Roy, Sefaattin Tongay, Ziwei Wang, M. Zahid Hasan, Joerg Wrachtrup, Amir Yacoby, Albert Fert, Stuart Parkin, Kostya S. Novoselov, Pengcheng Dai, Luis Balicas, and Elton J. G. Santos
ACS Nano 16, 6960–7079 (2022). (Published on Apr 20th, 2022) [pdf file] [DOI]
Complex structure due to As bonding and interplay with electronic structure in superconducting BaNi2As2
Bing-Hua Lei, Yucheng Guo, Yaofeng Xie, Pengcheng Dai, Ming Yi, and David J. Singh
Phys. Rev. B 105, 144505 (2022). (Published on Apr 15th, 2022) [pdf file] [DOI]
Electron-phonon coupling in the charge density wave state of CsV3Sb5
Yaofeng Xie, Yongkai Li, Philippe Bourges, Alexandre Ivanov, Zijin Ye, Jia-Xin Yin, M. Zahid Hasan, Aiyun Luo, Yugui Yao, Zhiwei Wang, Gang Xu, and Pengcheng Dai
Phys. Rev. B 105, L140501 (2022). (Published on Apr 5th, 2022) [pdf file] [DOI]
Time-reversal symmetry-breaking charge order in a kagome superconductor
C. Mielke III, D. Das, J.-X. Yin, H. Liu, R. Gupta, Y.-X. Jiang, M. Medarde, X. Wu, H. C. Lei, J. Chang, Pengcheng Dai, Q. Si, H. Miao, R. Thomale, T. Neupert, Y. Shi, R. Khasanov, M. Z. Hasan, H. Luetkens, & Z. Guguchia
Nature 602, 245–250 (2022). (Published on Feb 9th, 2022) [pdf file] [DOI]
Correlation-driven electronic reconstruction in FeTe1−xSex
Jianwei Huang, Rong Yu, Zhijun Xu, Jian-Xin Zhu, Ji Seop Oh, Qianni Jiang, Meng Wang, Han Wu, Tong Chen, Jonathan D. Denlinger, Sung-Kwan Mo, Makoto Hashimoto, Matteo Michiardi, Tor M. Pedersen, Sergey Gorovikov, Sergey Zhdanovich, Andrea Damascelli, Genda Gu, Pengcheng Dai, Jiun-Haw Chu, Donghui Lu, Qimiao Si, Robert J. Birgeneau, & Ming Yi
Communications Physics 5, 29 (2022). (Published on Jan 26th, 2022) [pdf file] [DOI]
Spin waves and Dirac magnons in a honeycomb-lattice zigzag antiferromagnet BaNi2(AsO4)2
Bin Gao, Tong Chen, Chong Wang, Lebing Chen, Ruidan Zhong, Douglas L. Abernathy, Di Xiao, and Pengcheng Dai
Phys. Rev. B 104, 214432 (2021). (Published on Dec 27th, 2021) [pdf file] [DOI]
Resonance from antiferromagnetic spin fluctuations for superconductivity in UTe2
Chunruo Duan, R. E. Baumbach, Andrey Podlesnyak, Yuhang Deng, Camilla Moir, Alexander J. Breindel, M. Brian Maple, E. M. Nica, Qimiao Si, & Pengcheng Dai
Nature 600, 636–640 (2021). (Published on Dec 22nd, 2021) [pdf file] [DOI]
Quasiparticle coherence in the nematic state of FeSe
H. Pfau, M. Yi, M. Hashimoto, T. Chen, P. C. Dai, Z.-X. Shen, S.-K. Mo, and D. Lu
Phys. Rev. B 104, L241101 (2021). (Published on Dec 2nd, 2021) [pdf file] [DOI]
Spin excitations in metallic kagome lattice FeSn and CoSn
Yaofeng Xie, Lebing Chen, Tong Chen, Qi Wang, Qiangwei Yin, J. Ross Stewart, Matthew B. Stone, Luke L. Daemen, Erxi Feng, Huibo Cao, Hechang Lei, Zhiping Yin, Allan H. MacDonald, and Pengcheng Dai
Communications Physics 4, 240 (2021). (Published on Nov 11th, 2021) [pdf file] [DOI]
Massless Dirac magnons in the two dimensional van der Waals honeycomb magnet CrCl3
Lebing Chen, Matthew B Stone, Alexander I Kolesnikov, Barry Winn, Wonhyuk Shon, Pengcheng Dai, and Jae-Ho Chung
2D Materials 9, 015006 (2022). (Published on Oct 27th, 2021) [pdf file] [DOI]
RKKY coupled local-moment magnetism in NaFe1−xCuxAs
Yizhou Xin, Ingrid Stolt, Yu Song, Pengcheng Dai, and W. P. Halperin
Phys. Rev. B 104, 144421 (2021). (Published on Oct 22nd, 2021) [pdf file] [DOI]
Magnetic Field Effect on Topological Spin Excitations in CrI3
Lebing Chen, Jae-Ho Chung, Matthew B. Stone, Alexander I. Kolesnikov, Barry Winn, V. Ovidiu Garlea, Douglas L. Abernathy, Bin Gao, Mathias Augustin, Elton J. G. Santos, and Pengcheng Dai
Phys. Rev. X 11, 031047 (2021). (Published on Aug 31st, 2021) [pdf file] [DOI]
Electronic nature of chiral charge order in the kagome superconductor CsV3Sb5
Zhiwei Wang, Yu-Xiao Jiang, Jia-Xin Yin, Yongkai Li, Guan-Yong Wang, Hai-Li Huang, Shen Shao, Jinjin Liu, Peng Zhu, Nana Shumiya, Md Shafayat Hossain, Hongxiong Liu, Youguo Shi, Junxi Duan, Xiang Li, Guoqing Chang, Pengcheng Dai, Zijin Ye, Gang Xu, Yanchao Wang, Hao Zheng, Jinfeng Jia, M. Zahid Hasan, and Yugui Yao
Phys. Rev. B 104, 075148 (2021). (Published on Aug 25th, 2021) [pdf file] [DOI]
Excess-iron driven spin glass phase in Fe1+yTe1−xSex
Long Tian, Panpan Liu, Tao Hong, Tilo Seydel, Xingye Lu, Huiqian Luo, Shiliang Li, and Pengcheng Dai
Chinese Physics B 30, 087402 (2021). (Published on Aug 5th, 2021) [pdf file] [DOI]
Pressure-induced high-temperature superconductivity retained without pressure in FeSe single crystals
Liangzi Deng, Trevor Bontke, Rabin Dahal, Yu Xie, Bin Gao, Xue Li, Ketao Yin, Melissa Gooch, Donald Rolston, Tong Chen, Zheng Wu, Yanming Ma, Pengcheng Dai, and Ching-Wu Chua
Proc. Natl. Acad. Sci. USA 118, e2108938118 (2021). (Published on Jul 7th, 2021) [pdf file] [DOI]
High-energy magnetic excitations from heavy quasiparticles in CeCu2Si2
Yu Song, Weiyi Wang, Chongde Cao, Zahra Yamani, Yuanji Xu, Yutao Sheng, Wolfgang Löser, Yiming Qiu, Yi-feng Yang, Robert J. Birgeneau, & Pengcheng Dai
npj Quantum Materials 6, 60 (2021). (Published on Jun 18th, 2021) [pdf file] [DOI]
Spinon Fermi Surface Spin Liquid in a Triangular Lattice Antiferromagnet NaYbSe2
Peng-Ling Dai, Gaoning Zhang, Yaofeng Xie, Chunruo Duan, Yonghao Gao, Zihao Zhu, Erxi Feng, Zhen Tao, Chien-Lung Huang, Huibo Cao, Andrey Podlesnyak, Garrett E. Granroth, Michelle S. Everett, Joerg C. Neuefeind, David Voneshen, Shun Wang, Guotai Tan, Emilia Morosan, Xia Wang, Hai-Qing Lin, Lei Shu, Gang Chen, Yanfeng Guo, Xingye Lu, and Pengcheng Dai
Phys. Rev. X 11, 021044 (2021). (Published on May 27th, 2021) [pdf file] [DOI]
Spin dynamics in NaFeAs and NaFe0.53Cu0.47As probed by resonant inelastic x-ray scattering
Yu Song, Weiyi Wang, Eugenio Paris, Xingye Lu, Jonathan Pelliciari, Yi Tseng, Yaobo Huang, Daniel McNally, Marcus Dantz, Chongde Cao, Rong Yu, Robert J. Birgeneau, Thorsten Schmitt, and Pengcheng Dai
Phys. Rev. B 103, 075112 (2021). (Published on Feb 4th, 2021) [pdf file] [DOI]
Field-induced topological Hall effect and double-fan spin structure with a c-axis component in the metallic kagome antiferromagnetic compound YMn6Sn6
Qi Wang, Kelly J. Neubauer, Chunruo Duan, Qiangwei Yin, Satoru Fujitsu, Hideo Hosono, Feng Ye, Rui Zhang, Songxue Chi, Kathryn Krycka, Hechang Lei, and Pengcheng Dai
Phys. Rev. B 103, 014416 (2021). (Published on Jan 12th, 2021) [pdf file] [DOI]
Magnetic order and fluctuations in the quasi-two-dimensional planar magnet Sr(Co1−xNix)2As2
Yaofeng Xie, Yu Li, Zhiping Yin, Rui Zhang, Weiyi Wang, Matthew B. Stone, Huibo Cao, D. L. Abernathy, Leland Harriger, David P. Young, J. F. DiTusa, and Pengcheng Dai
Phys. Rev. B 102, 214431 (2020). [DOI]
Incommensurate Spin Fluctuations in the Spin-Triplet Superconductor Candidate UTe2
Chunruo Duan, Kalyan Sasmal, M. Brian Maple, Andrey Podlesnyak, Jian-Xin Zhu, Qimiao Si, and Pengcheng Dai
Phys. Rev. Lett. 125, 237003 (2020). (Published on Dec 1st, 2020) [pdf file] [DOI]
In-plane uniaxial pressure-induced out-of-plane antiferromagnetic moment and critical fluctuations in BaFe2As2
Panpan Liu, Mason L. Klemm, Long Tian, Xingye Lu, Yu Song, David W. Tam, Karin Schmalzl, J. T. Park, Yu Li, Guotai Tan, Yixi Su, Frédéric Bourdarot, Yang Zhao, Jeffery W. Lynn, Robert J. Birgeneau & Pengcheng Dai
Nature Communications 11, 5728 (2020). (Published on Nov 12th, 2020) [pdf file] [DOI]
Orbital selective spin waves in detwinned NaFeAs
David W. Tam, Zhiping Yin, Yaofeng Xie, Weiyi Wang, M. B. Stone, D. T. Adroja, H. C. Walker, Ming Yi, and Pengcheng Dai
Phys. Rev. B 102, 054430 (2020). (Published on Aug 21st, 2020) [pdf file] [DOI]
Electronic and Magnetic Anisotropies in FeSe Family of Iron-Based Superconductors
Tong Chen, Ming Yi, and Pengcheng Dai
Frontiers in Physics 8, 314 (2020). (Published on Aug 21st, 2020) [pdf file] [DOI]
Orbital selectivity of layer-resolved tunneling in the iron-based superconductor Ba0.6K0.4Fe2As2
J.-X. Yin, X.-X. Wu, Jian Li, Zheng Wu, J.-H. Wang, C.-S. Ting, P.-H. Hor, X. J. Liang, C. L. Zhang, P. C. Dai, X. C. Wang, C. Q. Jin, G. F. Chen, J. P. Hu, Z.-Q. Wang, Ang Li, H. Ding, and S. H. Pan
Phys. Rev. B 102, 054515 (2020). (Published on Aug 20th, 2020) [pdf file] [DOI]
In-plane electronic anisotropy resulted from ordered magnetic moment in iron-based superconductors
S.-F. Wu, W.-L. Zhang, V. K. Thorsmølle, G. F. Chen, G. T. Tan, P. C. Dai, Y. G. Shi, C. Q. Jin, T. Shibauchi, S. Kasahara, Y. Matsuda, A. S. Sefat, H. Ding, P. Richard, and G. Blumberg
Phys. Rev. Research 2, 033140 (2020). (Published on Jul 24th, 2020) [pdf file] [DOI]
Nature of the spin resonance mode in CeCoIn5
Yu Song, Weiyi Wang, John S. Van Dyke, Naveen Pouse, Sheng Ran, Duygu Yazici, A. Schneidewind, Petr Čermák, Y. Qiu, M. B. Maple, Dirk K. Morr, and Pengcheng Dai
Communications Physics 3, 98 (2020). (Published on May 29th, 2020) [pdf file] [DOI]
Anisotropic effect of a magnetic field on the neutron spin resonance in FeSe
Tong Chen, Youzhe Chen, David W. Tam, Bin Gao, Yiming Qiu, Astrid Schneidewind, Igor Radelytskyi, Karel Prokes, Songxue Chi, Masaaki Matsuda, Collin Broholm, and Pengcheng Dai
Phys. Rev. B 101, 140504 (2020). (Published on Apr 16th, 2020) [pdf file] [DOI]
Magnetic anisotropy in ferromagnetic CrI3
Lebing Chen, Jae-Ho Chung, Tong Chen, Chunruo Duan, Astrid Schneidewind, Igor Radelytskyi, David J. Voneshen, Russell A. Ewings, Matthew B. Stone, Alexander I. Kolesnikov, Barry Winn, Songxue Chi, R. A. Mole, D. H. Yu, Bin Gao, and Pengcheng Dai
Phys. Rev. B 101, 134418 (2020). (Published on Apr 15th, 2020) [pdf file] [DOI]
Strong local moment antiferromagnetic spin fluctuations in V-doped LiFeAs
Zhuang Xu, Guangyang Dai, Yu Li, Zhiping Yin, Yan Rong, Long Tian, Panpan Liu, Hui Wang, Lingyi Xing, Yuan Wei, Ryoichi Kajimoto, Kazuhiko Ikeuchi, D. L. Abernathy, Xiancheng Wang, Changqing Jin, Xingye Lu, Guotai Tan, & Pengcheng Dai
npj Quantum Materials 5, 11 (2020). (Published on Feb 13th, 2020) [pdf file] [DOI]
Stripe antiferromagnetism and disorder in the Mott insulator NaFe1−xCuxAs (x≲0.5)
Yizhou Xin, Ingrid Stolt, Yu Song, Pengcheng Dai, and W. P. Halperin
Phys. Rev. B 101, 064410 (2020). (Published on Feb 11th, 2020) [pdf file] [DOI]
Uniaxial c-axis pressure effects on the underdoped superconductor BaFe2(As0.72P0.28)2
Ding Hu, David W. Tam, Wenliang Zhang, Yuan Wei, Robert Georgii, Björn Pedersen, Alfonso Chacon Roldan, and Pengcheng Dai
Phys. Rev. B 101, 020507 (2020). (Published on Jan 28th, 2020) [pdf file] [DOI]
Anisotropic magnetic excitations of a frustrated bilinear-biquadratic spin model: Implications for spin waves of detwinned iron pnictides
Changle Liu, Xingye Lu, Pengcheng Dai, Rong Yu, and Qimiao Si,
Phys. Rev. B 101, 024510 (2020). (Published on Jan 17th, 2020) [pdf file] [DOI]
Electronic and Magnetic Anisotropies in FeSe Family of Iron-Based Superconductors
Tong Chen, Ming Yi, and Pengcheng Dai
Frontiers in Physics 8, 314 (2020). (Published on Aug 21st, 2020) [pdf file] [DOI]
Orbital selectivity of layer-resolved tunneling in the iron-based superconductor Ba0.6K0.4Fe2As2
J.-X. Yin, X.-X. Wu, Jian Li, Zheng Wu, J.-H. Wang, C.-S. Ting, P.-H. Hor, X. J. Liang, C. L. Zhang, P. C. Dai, X. C. Wang, C. Q. Jin, G. F. Chen, J. P. Hu, Z.-Q. Wang, Ang Li, H. Ding, and S. H. Pan
Phys. Rev. B 102, 054515 (2020). (Published on Aug 20th, 2020) [pdf file] [DOI]
In-plane electronic anisotropy resulted from ordered magnetic moment in iron-based superconductors
S.-F. Wu, W.-L. Zhang, V. K. Thorsmølle, G. F. Chen, G. T. Tan, P. C. Dai, Y. G. Shi, C. Q. Jin, T. Shibauchi, S. Kasahara, Y. Matsuda, A. S. Sefat, H. Ding, P. Richard, and G. Blumberg
Phys. Rev. Research 2, 033140 (2020). (Published on Jul 24th, 2020) [pdf file] [DOI]
Nature of the spin resonance mode in CeCoIn5
Yu Song, Weiyi Wang, John S. Van Dyke, Naveen Pouse, Sheng Ran, Duygu Yazici, A. Schneidewind, Petr Čermák, Y. Qiu, M. B. Maple, Dirk K. Morr, and Pengcheng Dai
Communications Physics 3, 98 (2020). (Published on May 29th, 2020) [pdf file] [DOI]
Anisotropic effect of a magnetic field on the neutron spin resonance in FeSe
Tong Chen, Youzhe Chen, David W. Tam, Bin Gao, Yiming Qiu, Astrid Schneidewind, Igor Radelytskyi, Karel Prokes, Songxue Chi, Masaaki Matsuda, Collin Broholm, and Pengcheng Dai
Phys. Rev. B 101, 140504 (2020). (Published on Apr 16th, 2020) [pdf file] [DOI]
Magnetic anisotropy in ferromagnetic CrI3
Lebing Chen, Jae-Ho Chung, Tong Chen, Chunruo Duan, Astrid Schneidewind, Igor Radelytskyi, David J. Voneshen, Russell A. Ewings, Matthew B. Stone, Alexander I. Kolesnikov, Barry Winn, Songxue Chi, R. A. Mole, D. H. Yu, Bin Gao, and Pengcheng Dai
Phys. Rev. B 101, 134418 (2020). (Published on Apr 15th, 2020) [pdf file] [DOI]
Strong local moment antiferromagnetic spin fluctuations in V-doped LiFeAs
Zhuang Xu, Guangyang Dai, Yu Li, Zhiping Yin, Yan Rong, Long Tian, Panpan Liu, Hui Wang, Lingyi Xing, Yuan Wei, Ryoichi Kajimoto, Kazuhiko Ikeuchi, D. L. Abernathy, Xiancheng Wang, Changqing Jin, Xingye Lu, Guotai Tan, & Pengcheng Dai
npj Quantum Materials 5, 11 (2020). (Published on Feb 13th, 2020) [pdf file] [DOI]
Stripe antiferromagnetism and disorder in the Mott insulator NaFe1−xCuxAs (x≲0.5)
Yizhou Xin, Ingrid Stolt, Yu Song, Pengcheng Dai, and W. P. Halperin
Phys. Rev. B 101, 064410 (2020). (Published on Feb 11th, 2020) [pdf file] [DOI]
Uniaxial c-axis pressure effects on the underdoped superconductor BaFe2(As0.72P0.28)2
Ding Hu, David W. Tam, Wenliang Zhang, Yuan Wei, Robert Georgii, Björn Pedersen, Alfonso Chacon Roldan, and Pengcheng Dai
Phys. Rev. B 101, 020507 (2020). (Published on Jan 28th, 2020) [pdf file] [DOI]
Anisotropic magnetic excitations of a frustrated bilinear-biquadratic spin model: Implications for spin waves of detwinned iron pnictides
Changle Liu, Xingye Lu, Pengcheng Dai, Rong Yu, and Qimiao Si,
Phys. Rev. B 101, 024510 (2020). (Published on Jan 17th, 2020) [pdf file] [DOI]
Possible Mott transition in layered Sr2Mn3As2O2 single crystals
Chih-Wei Chen, Weiyi Wang, Vaideesh Loganathan, Scott V. Carr, Leland W. Harriger, C. Georgen, Andriy H. Nevidomskyy, Pengcheng Dai, C.-L. Huang, and E. Morosan
Phys. Rev. B 99, 144423 (2019). (Published on Apr 24th, 2019) [pdf file] [DOI]
Toward the Mott state with magnetic cluster formation in heavily Cu-doped NaFe1−xCuxAs
Yizhou Xin, Ingrid Stolt, Jeongseop A. Lee, Yu Song, Pengcheng Dai, and W. P. Halperin
Phys. Rev. B 99, 155114 (2019). (Published on Apr 8th, 2019) [pdf file] [DOI]
Coexistence of Ferromagnetic and Stripe Antiferromagnetic Spin Fluctuations in SrCo2As2
Yu Li, Zhiping Yin, Zhonghao Liu, Weiyi Wang, Zhuang Xu, Yu Song, Long Tian, Yaobo Huang, Dawei Shen, D. L. Abernathy, J. L. Niedziela, R. A. Ewings, T. G. Perring, Daniel M. Pajerowski, Masaaki Matsuda, Philippe Bourges, Enderle Mechthild, Yixi Su, and Pengcheng Dai
Phys. Rev. Lett. 122, 117204 (2019). (Published on Mar 21st, 2019) [pdf file] [DOI]
Low-carrier density and fragile magnetism in a Kondo lattice system
Binod K. Rai, Iain W. H. Oswald, Wenjing Ban, C.-L. Huang, V. Loganathan, A. M. Hallas, M. N. Wilson, G. M. Luke, L. Harriger, Q. Huang, Y. Li, Sami Dzsaber, Julia Y. Chan, N. L. Wang, Silke Paschen, J. W. Lynn, Andriy H. Nevidomskyy, Pengcheng Dai, Q. Si, and E. Morosan
Phys. Rev. B 99, 085120 (2019). (Published on Feb 12th, 2019) [pdf file] [DOI]
Anomalous Metamagnetism in the Low Carrier Density Kondo Lattice YbRh3Si7
Binod K. Rai, S. Chikara, Xiaxin Ding, Iain W. H. Oswald, R. Schönemann, V. Loganathan, A. M. Hallas, H. B. Cao, Macy Stavinoha, T. Chen, Haoran Man, Scott Carr, John Singleton, Vivien Zapf, Katherine A. Benavides, Julia Y. Chan, Q. R. Zhang, D. Rhodes, Y. C. Chiu, Luis Balicas, A. A. Aczel, Q. Huang, Jeffrey W. Lynn, J. Gaudet, D. A. Sokolov, H. C. Walker, D. T. Adroja, Pengcheng Dai, Andriy H. Nevidomskyy, C.-L. Huang, and E. Morosan
Phys. Rev. X 8, 041047 (2018). (Published on Dec 13th, 2018) [pdf file] [DOI]
Photoinduced metastable state with modulated Josephson coupling strengths in Pr0.88LaCe0.12CuO4
S. J. Zhang, Z. X. Wang, D. Wu, Q. M. Liu, L. Y. Shi, T. Lin, S. L. Li, P. C. Dai, T. Dong, and N. L. Wang
Phys. Rev. B 98, 224507 (2018). (Published on Dec 12th, 2018) [pdf file] [DOI]
Topological Spin Excitations in Honeycomb Ferromagnet CrI3
Lebing Chen, Jae-Ho Chung, Bin Gao, Tong Chen, Matthew B. Stone, Alexander I. Kolesnikov, Qingzhen Huang, and Pengcheng Dai
Phys. Rev. X 8, 041028 (2018). (Published on Nov 4th, 2018) [pdf file] [DOI]
c-axis pressure-induced antiferromagnetic order in optimally P-doped BaFe2(As0.70P0.30)2 superconductor
Ding Hu, Weiyi Wang, Wenliang Zhang, Yuan Wei, Dongliang Gong, David W. Tam, Panpan Zhou, Yu Li, Guotai Tan, Yu Song, Robert Georgii, Björn Pedersen, Huibo Cao, Wei Tian, Bertrand Roessli, Zhiping Yin & Pengcheng Dai
npj Quantum Materials 3, 47 (2018). (Published on Sep 18th, 2018) [pdf file] [DOI]
Raman scattering study of NaFe0.53Cu0.47As
W.-L. Zhang, Y. Song, W.-Y. Wang, C.-D. Cao, P.-C. Dai, C.-Q. Jin, and G. Blumberg
Phys. Rev. B 98, 094512 (2018). (Published on Sep 13th, 2018) [pdf file] [DOI]
Neutron spin resonance as a probe of Fermi surface nesting and superconducting gap symmetry in Ba0.67K0.33(Fe1−xCox)2As2
Rui Zhang, Weiyi Wang, Thomas A. Maier, Meng Wang, Matthew B. Stone, Songxue Chi, Barry Winn, and Pengcheng Dai
Phys. Rev. B 98, 060502 (2018). (Published on Aug 30th, 2018) [pdf file] [DOI]
Unusual suppression of a spin resonance mode by magnetic field in underdoped NaFe1−xCoxAs: Evidence for orbital-selective pairing
Yu Song, Guotai Tan, Chenglin Zhang, Rasmus Toft-Petersen, Rong Yu, and Pengcheng Dai
Phys. Rev. B 98, 064507 (2018). (Published on Aug 13th, 2018) [pdf file] [DOI]
Spin Waves in Detwinned BaFe2As2
Xingye Lu, Daniel D. Scherer, David W. Tam, Wenliang Zhang, Rui Zhang, Huiqian Luo, Leland W. Harriger, H. C. Walker, D. T. Adroja, Brian M. Andersen, and Pengcheng Dai
Phys. Rev. Lett. 121, 067002 (2018). (Published on Aug 8th, 2018) [pdf file] [DOI]
Local orthorhombic lattice distortions in the paramagnetic tetragonal phase of superconducting NaFe1−xNixAs
Weiyi Wang, Yu Song, Chongde Cao, Kuo-Feng Tseng, Thomas Keller, Yu Li, L.W. Harriger, Wei Tian, Songxue Chi, Rong Yu, Andriy H. Nevidomskyy, & Pengcheng Dai
Nature Communications 9, 3128 (2018). (Published on Aug 7th, 2018) [pdf file] [DOI]
Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2
Dongliang Gong, Tao Xie, Rui Zhang, Jonas Birk, Christof Niedermayer, Fei Han, S. H. Lapidus, Pengcheng Dai, Shiliang Li, and Huiqian Luo
Phys. Rev. B 98, 014512 (2018). (Published on Jul 18th, 2018) [pdf file] [DOI]
Disentangling superconducting and magnetic orders in NaFe1−xNixAs using muon spin rotation
Sky C. Cheung, Zurab Guguchia, Benjamin A. Frandsen, Zizhou Gong, Kohtaro Yamakawa, Dalson E. Almeida, Ifeanyi J. Onuorah, Pietro Bonfá, Eduardo Miranda, Weiyi Wang, David W. Tam, Yu Song, Chongde Cao, Yipeng Cai, Alannah M. Hallas, Murray N. Wilson, Timothy J. S. Munsie, Graeme Luke, Bijuan Chen, Guangyang Dai, Changqing Jin, Shengli Guo, Fanlong Ning, Rafael M. Fernandes, Roberto De Renzi, Pengcheng Dai, and Yasutomo J. Uemura
Phys. Rev. B 97, 224508 (2018). (Published on Jun 12th, 2018) [pdf file] [DOI]
Reduced electronic correlation effects in half substituted Ba(Fe1−xCox)2As2
Z.-H. Liu, A. N. Yaresko, Y. Li, D. V. Evtushinsky, P.-C. Dai, and S. V. Borisenko
Applied Physics Letters 112, 232602 (2018). (Published on Jun 8th, 2018) [pdf file] [DOI]
Dynamic Spin-Lattice Coupling and Nematic Fluctuations in NaFeAs
Yu Li, Zahra Yamani, Yu Song, Weiyi Wang, Chenglin Zhang, David W. Tam, Tong Chen, Ding Hu, Zhuang Xu, Songxue Chi, Ke Xia, Li Zhang, Shifeng Cui, Wenan Guo, Ziming Fang, Yi Liu, and Pengcheng Dai
Phys. Rev. X 8, 021056 (2018). (Published on Jun 1st, 2018) [pdf file] [DOI]
Direct observation of spin excitation anisotropy in the paramagnetic orthorhombic state of BaFe2−xNixAs2
Haoran Man, Rui Zhang, J. T. Park, Xingye Lu, J. Kulda, A. Ivanov, and Pengcheng Dai
Phys. Rev. B 97, 060507 (2018). (Published on Feb 21st, 2018) [pdf file] [DOI]
Spin-isotropic continuum of spin excitations in antiferromagnetically ordered Fe1.07Te
Yu Song, Xingye Lu, L.-P. Regnault, Yixi Su, Hsin-Hua Lai, Wen-Jun Hu, Qimiao Si, and Pengcheng Dai
Phys. Rev. B 97, 024519 (2018). (Published on Jan 31st, 2018) [pdf file] [DOI]
Spin excitation anisotropy in the optimally isovalent-doped superconductor BaFe2(As0.7P0.3)2
Ding Hu, Wenliang Zhang, Yuan Wei, Bertrand Roessli, Markos Skoulatos, Louis Pierre Regnault, Genfu Chen, Yu Song, Huiqian Luo, Shiliang Li, and Pengcheng Dai
Phys. Rev. B 96, 180503 (2017). (Published on Nov 16th, 2017) [pdf file] [DOI]
Temperature and polarization dependence of low-energy magnetic fluctuations in nearly optimally doped NaFe0.9785Co0.0215As
Yu Song, Weiyi Wang, Chenglin Zhang, Yanhong Gu, Xingye Lu, Guotai Tan, Yixi Su, Frédéric Bourdarot, A. D. Christianson, Shiliang Li, and Pengcheng Dai
Phys. Rev. B 96, 184512 (2017). (Published on Nov 14th, 2017) [pdf file] [DOI]
Correlation-driven metal-insulator transition in proximity to an iron-based superconductor
A. Charnukha, Z. P. Yin, Y. Song, C. D. Cao, Pengcheng Dai, K. Haule, G. Kotliar, and D. N. Basov
Phys. Rev. B 96, 195121 (2017). (Published on Nov 9th, 2017) [pdf file] [DOI]
Local breaking of fourfold rotational symmetry by short-range magnetic order in heavily overdoped Ba(Fe1−xCux)2As2
Weiyi Wang, Yu Song, Ding Hu, Yu Li, Rui Zhang, L. W. Harriger, Wei Tian, Huibo Cao, and Pengcheng Dai
Phys. Rev. B 96, 161106 (2017). (Published on Oct 11th, 2017) [pdf file] [DOI]
Direct observation of magnon-phonon coupling in yttrium iron garnet
Haoran Man, Zhong Shi, Guangyong Xu, Yadong Xu, Xi Chen, Sean Sullivan, Jianshi Zhou, Ke Xia, Jing Shi, and Pengcheng Dai
Phys. Rev. B 96, 100406 (2017). (Published on Sep 27th, 2017) [pdf file] [DOI]
Two-Dimensional Massless Dirac Fermions in Antiferromagnetic AFe2As2 (A=Ba,Sr)
Zhi-Guo Chen, Luyang Wang, Yu Song, Xingye Lu, Huiqian Luo, Chenglin Zhang, Pengcheng Dai, Zhiping Yin, Kristjan Haule, and Gabriel Kotliar
Phys. Rev. Lett. 119, 096401 (2017). (Published on Sep 1st, 2017) [pdf file] [DOI]
Magnetic moment evolution and spin freezing in doped BaFe2As2
Jonathan Pelliciari, Yaobo Huang, Kenji Ishii, Chenglin Zhang, Pengcheng Dai, Gen Fu Chen, Lingyi Xing, Xiancheng Wang, Changqing Jin, Hong Ding, Philipp Werner, & Thorsten Schmitt
Scientific Reports 7, 8003 (2017). (Published on Aug 14th, 2017) [pdf file] [DOI]
Spin susceptibility of the topological superconductor UPt3 from polarized neutron diffraction
W. J. Gannon, W. P. Halperin, M. R. Eskildsen, Pengcheng Dai, U. B. Hansen, K. Lefmann, A. Stunault
Phys. Rev. B 96, 041111 (2017). (Published on Jul 10th, 2017) [pdf file] [DOI]
Spin excitation anisotropy in the paramagnetic tetragonal phase of BaFe2As2
Yu Li, Weiyi Wang, Yu Song, Haoran Man, Xingye Lu, Frédéric Bourdarot, and Pengcheng Dai
Phys. Rev. B 96, 020404 (2017). (Published on Jul 6th, 2017) [pdf file] [DOI]
Orbital selective neutron spin resonance in underdoped superconducting NaFe0.985Co0.015As
Weiyi Wang, J. T. Park, Rong Yu, Yu Li, Yu Song, Zongyuan Zhang, Alexandre Ivanov, Jiri Kulda, and Pengcheng Dai
Phys. Rev. B 95, 094519 (2017). (Published on Mar 24th, 2017) [pdf file] [DOI]
Lattice distortion and charge density wave in Na2Ti2Sb2O revealed by scanning tunnelling microscopy
M. Q. Ren, Y. J. Yan, J. Jiang, S. Y. Tan, J. Miao, C. Chen, Y. Song, C. L. Zhang, P. C. Dai, B. P. Xie, T. Zhang, and D. L. Feng
Philosophical Magazine 97, 527–534 (2017). (Published on Mar 24th, 2017) [pdf file] [DOI]
Spin excitations and the Fermi surface of superconducting FeS
Haoran Man, Jiangang Guo, Rui Zhang, Rico Schönemann, Zhiping Yin, Mingxuan Fu, Matthew B. Stone, Qingzhen Huang, Yu Song, Weiyi Wang, David J. Singh, Felix Lochner, Tilmann Hickel, Ilya Eremin, Leland Harriger, Jeffrey W. Lynn, Collin Broholm, Luis Balicas, Qimiao Si and Pengcheng Dai
npj Quantum Materials 2, 14 (2017). (Published on Mar 10th, 2017) [pdf file] [DOI]
Superconductivity and electronic fluctuations in Ba1−xKxFe2As2 studied by Raman scattering
S.-F. Wu, P. Richard, H. Ding, H.-H. Wen, Guotai Tan, Meng Wang, Chenglin Zhang, Pengcheng Dai, and G. Blumberg
Phys. Rev. B 95, 085125 (2017). (Published on Feb 21st, 2017) [pdf file] [DOI]
Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe2−xTxAs2 (T=Co,Ni)
David W. Tam, Yu Song, Haoran Man, Sky C. Cheung, Zhiping Yin, Xingye Lu, Weiyi Wang, Benjamin A. Frandsen, Lian Liu, Zizhou Gong, Takashi U. Ito, Yipeng Cai, Murray N. Wilson, Shengli Guo, Keisuke Koshiishi, Wei Tian, Bassam Hitti, Alexandre Ivanov, Yang Zhao, Jeffrey W. Lynn, Graeme M. Luke, Tom Berlijn, Thomas A. Maier, Yasutomo J. Uemura, and Pengcheng Dai
Phys. Rev. B 95, 060505 (2017). (Published on Feb 17th, 2017) [pdf file] [DOI]
Phase diagram and neutron spin resonance of superconducting NaFe1−xCuxAs
Guotai Tan, Yu Song, Rui Zhang, Lifang Lin, Zhuang Xu, Long Tian, Songxue Chi, M. K. Graves-Brook, Shiliang Li, and Pengcheng Dai
Phys. Rev. B 95, 054501 (2017). (Published on Feb 3rd, 2017) [pdf file] [DOI]
Observation of the weak electronic correlations in KFeCoAs2 (3d6): an isoelectronic to the parent compounds of 122 series of iron pnictides BaFe2As2
Z H Liu, A N Yaresko, Y Li, P C Dai, H Zhang, B Büchner, C T Lin, and S V Borisenko
Journal of Physics: Condensed Matter 29, 085503 (2017). (Published on Jan 12th, 2017) [pdf file] [DOI]
Spin anisotropy due to spin-orbit coupling in optimally hole-doped Ba0.67K0.33Fe2As2
Yu Song, Haoran Man, Rui Zhang, Xingye Lu, Chenglin Zhang, Meng Wang, Guotai Tan, L.-P. Regnault, Yixi Su, Jian Kang, Rafael M. Fernandes, and Pengcheng Dai
Phys. Rev. B 94, 214516 (2016). (Published on Dec 23rd, 2016) [pdf file] [DOI]
A Mott insulator continuously connected to iron pnictide superconductors
Yu Song, Zahra Yamani, Chongde Cao, Yu Li , Chenglin Zhang, Justin S. Chen, Qingzhen Huang, Hui Wu, Jing Tao, Yimei Zhu, Wei Tian, Songxue Chi, Huibo Cao, Yao-Bo Huang, Marcus Dantz, Thorsten Schmitt, Rong Yu, Andriy H. Nevidomskyy, Emilia Morosan, Qimiao Si & Pengcheng Da
Nature Communications 7, 13879 (2016). (Published on Dec 19th, 2016) [pdf file] [DOI]
Effect of Nematic Order on the Low-Energy Spin Fluctuations in Detwinned BaFe1.935Ni0.065As2
Wenliang Zhang, J. T. Park, Xingye Lu, Yuan Wei, Xiaoyan Ma, Lijie Hao, Pengcheng Dai, Zi Yang Meng, Yi-feng Yang, Huiqian Luo, and Shiliang Li
Phys. Rev. Lett. 117, 227003 (2016). (Published on Nov 23rd, 2016) [pdf file] [DOI]
Absence of Long-Wavelength Nematic Fluctuations in LiFeAs
Adrian Merritt, Jose Rodriguez-Rivera, Yu Li, Weiyi Wang, Chenglin Zhang, Pengcheng Dai, Dmitry Reznik
Journal of Superconductivity and Novel Magnetism 29, 3049–3051 (2016). (Published on Oct 8th, 2016) [pdf file] [DOI]
Nematic Quantum Critical Fluctuations in BaFe2−xNixAs2
Zhaoyu Liu, Yanhong Gu, Wei Zhang, Dongliang Gong, Wenliang Zhang, Tao Xie, Xingye Lu, Xiaoyan Ma, Xiaotian Zhang, Rui Zhang, Jun Zhu, Cong Ren, Lei Shan, Xianggang Qiu, Pengcheng Dai, Yi-feng Yang, Huiqian Luo, and Shiliang Li
Phys. Rev. Lett. 117, 157002 (2016). (Published on Oct 5th, 2016) [pdf file] [DOI]
Robust upward dispersion of the neutron spin resonance in the heavy fermion superconductor Ce1−xYbxCoIn5
Yu Song, John Van Dyke, I. K. Lum, B. D. White, Sooyoung Jang, Duygu Yazici, L. Shu, A. Schneidewind, Petr Čermák, Y. Qiu, M. B. Maple, Dirk K. Morr, & Pengcheng Dai
Nature Communications 7, 12774 (2016). (Published on Sep 28th, 2016) [pdf file] [DOI]
Spin excitations in optimally P-doped BaFe2(As0.7P0.3)2 superconductor
Ding Hu, Zhiping Yin, Wenliang Zhang, R. A. Ewings, Kazuhiko Ikeuchi, Mitsutaka Nakamura, Bertrand Roessli, Yuan Wei, Lingxiao Zhao, Genfu Chen, Shiliang Li, Huiqian Luo, Kristjan Haule, Gabriel Kotliar, and Pengcheng Dai
Phys. Rev. B 94, 094504 (2016). (Published on Sep 2nd, 2016) [pdf file] [DOI]
NaFe0.56Cu0.44As: A Pnictide Insulating Phase Induced by On-Site Coulomb Interaction
C. E. Matt, N. Xu, Baiqing Lv, Junzhang Ma, F. Bisti, J. Park, T. Shang, Chongde Cao, Yu Song, Andriy H. Nevidomskyy, Pengcheng Dai, L. Patthey, N. C. Plumb, M. Radovic, J. Mesot, and M. Shi
Phys. Rev. Lett. 117, 097001 (2016). (Published on Aug 25th, 2016) [pdf file] [DOI]
Electron doping evolution of structural and antiferromagnetic phase transitions in NaFe1−xCoxAs iron pnictides
Guotai Tan, Yu Song, Chenglin Zhang, Lifang Lin, Zhuang Xu, Tingting Hou, Wei Tian, Huibo Cao, Shiliang Li, Shiping Feng, and Pengcheng Dai
Phys. Rev. B 94, 014509 (2016). (Published on Jul 13th, 2016) [pdf file] [DOI]
Study of vortex dynamics in single crystalline Ba0.54K0.46Fe2As2 superconductor using dc and ac magnetization
D. Paladhi, C. Zhang, Guotai Tan, Pengcheng Dai, T.K. Nath
Journal of Alloys and Compounds 686, 938–945 (2016). (Published on Jun 23rd, 2016) [pdf file] [DOI]
Orbital Selective Spin Excitations and their Impact on Superconductivity of LiFe1−xCoxAs
Yu Li, Zhiping Yin, Xiancheng Wang, David W. Tam, D. L. Abernathy, A. Podlesnyak, Chenglin Zhang, Meng Wang, Lingyi Xing, Changqing Jin, Kristjan Haule, Gabriel Kotliar, Thomas A. Maier, and Pengcheng Dai
Phys. Rev. Lett. 116, 247001 (2016). (Published on Jun 17th, 2016) [pdf file] [DOI]
Electron doping evolution of the magnetic excitations in NaFe1−xCoxAs
Scott V. Carr, Chenglin Zhang, Yu Song, Guotai Tan, Yu Li, D. L. Abernathy, M. B. Stone, G. E. Granroth, T. G. Perring, and Pengcheng Dai
Phys. Rev. B 93, 214506 (2016). (Published on Jun 13th, 2016) [pdf file] [DOI]
Electron doping evolution of the neutron spin resonance in NaFe1−xCoxAs
Chenglin Zhang, Weicheng Lv, Guotai Tan, Yu Song, Scott V. Carr, Songxue Chi, M. Matsuda, A. D. Christianson, J. A. Fernandez-Baca, L. W. Harriger, and Pengcheng Dai
Phys. Rev. B 93, 174522 (2016). (Published on May 31st, 2016) [pdf file] [DOI]
Experimental elucidation of the origin of the ‘double spin resonances’ in Ba(Fe1−xCox)2As2
Meng Wang, M. Yi, H. L. Sun, P. Valdivia, M. G. Kim, Z. J. Xu, T. Berlijn, A. D. Christianson, Songxue Chi, M. Hashimoto, D. H. Lu, X. D. Li, E. Bourret-Courchesne, Pengcheng Dai, D. H. Lee, T. A. Maier, and R. J. Birgeneau
Phys. Rev. B 93, 205149 (2016). (Published on May 26th, 2016) [pdf file] [DOI]
Electronic specific heat in BaFe2−xNixAs2
Dongliang Gong, Tao Xie, Xingye Lu, Cong Ren, Lei Shan, Rui Zhang, Pengcheng Dai, Yi-feng Yang, Huiqian Luo, and Shiliang Li
Phys. Rev. B 93, 134520 (2016). (Published on Apr 29th, 2016) [pdf file] [DOI]
Impact of uniaxial pressure on structural and magnetic phase transitions in electron-doped iron pnictides
Xingye Lu, Kuo-Feng Tseng, T. Keller, Wenliang Zhang, Ding Hu, Yu Song, Haoran Man, J. T. Park, Huiqian Luo, Shiliang Li, Andriy H. Nevidomskyy, and Pengcheng Dai
Phys. Rev. B 93, 134519 (2016). (Published on Apr 28th, 2016) [pdf file] [DOI]
Critical quadrupole fluctuations and collective modes in iron pnictide superconductors
V. K. Thorsmølle, M. Khodas, Z. P. Yin, Chenglin Zhang, S. V. Carr, Pengcheng Dai, and G. Blumberg
Phys. Rev. B 93, 054515 (2016). (Published on Feb 16th, 2016) [pdf file] [DOI]
Nematic magnetoelastic effect contrasted between Ba(Fe1−xCox)2As2 and FeSe
Yuwen Hu, Xiao Ren, Rui Zhang, Huiqian Luo, Shigeru Kasahara, Tatsuya Watashige, Takasada Shibauchi, Pengcheng Dai, Yan Zhang, Yuji Matsuda, and Yuan Li
Phys. Rev. B 93, 060504 (2016). (Published on Feb 2nd, 2016) [pdf file] [DOI]
High-Temperature Superconductors
Yu Song and Pengcheng Dai
Experimental Methods in the Physical Sciences 48, 145–201 (2015). Book chapter: Neutron Scattering—Magnetic and Quantum Phenomena. (Published on Jan 6th, 2016) [pdf file] [DOI]
Nematic Crossover in BaFe2As2 under Uniaxial Stress
Xiao Ren, Lian Duan, Yuwen Hu, Jiarui Li, Rui Zhang, Huiqian Luo, Pengcheng Dai, and Yuan Li
Phys. Rev. Lett. 115, 197002 (2015). (Published on Nov 6th, 2015) [pdf file] [DOI]
Energy dependence of the spin excitation anisotropy in uniaxial-strained BaFe1.9Ni0.1As2
Yu Song, Xingye Lu, D. L. Abernathy, David W. Tam, J. L. Niedziela, Wei Tian, Huiqian Luo, Qimiao Si, and Pengcheng Dai
Phys. Rev. B 92, 180504 (2015). (Published on Nov 6th, 2015) [pdf file] [DOI]
Electronic nematic correlations in the stress-free tetragonal state of BaFe2−xNixAs2
Haoran Man, Xingye Lu, Justin S. Chen, Rui Zhang, Wenliang Zhang, Huiqian Luo, J. Kulda, A. Ivanov, T. Keller, Emilia Morosan, Qimiao Si, and Pengcheng Dai
Phys. Rev. B 92, 134521 (2015). (Published on Oct 22nd, 2015) [pdf file] [DOI]
Mott localization in a pure stripe antiferromagnet Rb1−δFe1.5−σS2
Meng Wang,Ming Yi, Huibo Cao, C. de la Cruz, S. K. Mo, Q. Z. Huang, E. Bourret-Courchesne, Pengcheng Dai, D. H. Lee, Z. X. Shen, and R. J. Birgeneau
Phys. Rev. B 92, 121101 (2015). (Published on Sep 1st, 2015) [pdf file] [DOI]
Antiferromagnetic order and spin dynamics in iron-based superconductors
Pengcheng Dai
Rev. Mod. Phys. 87, 855–896 (2015). (Published on Aug 20th, 2015) [pdf file] [DOI]
Long-range two-dimensional superstructure in the superconducting electron-doped cuprate Pr0.88LaCe0.12CuO4
B. J. Campbell, S. Rosenkranz, H. J. Kang, H. T. Stokes, P. J. Chupas, S. Komiya, Y. Ando, Shiliang Li, and Pengcheng Dai
Phys. Rev. B 92, 014118 (2015). (Published on Jul 29th, 2015) [pdf file] [DOI]
Spin waves and spatially anisotropic exchange interactions in the S = 2 stripe antiferromagnet Rb0.8Fe1.5S2
Meng Wang, P. Valdivia, Ming Yi, J. X. Chen, W. L. Zhang, R. A. Ewings, T. G. Perring, Yang Zhao, L. W. Harriger, J. W. Lynn, E. Bourret-Courchesne, Pengcheng Dai, D. H. Lee, D. X. Yao, and R. J. Birgeneau
Phys. Rev. B 92, 041109 (2015). (Published on Jul 13th, 2015) [pdf file] [DOI]
Photoemission study of the electronic structure and charge density waves of Na2Ti2Sb2O
S. Y. Tan, J. Jiang, Z. R. Ye, X. H. Niu, Y. Song, C. L. Zhang, P. C. Dai, B. P. Xie, X. C. Lai, and D. L. Feng
Scientific Reports 5, 9515 (2015). (Published on Apr 30th, 2015) [pdf file] [DOI]
Structural and Magnetic Phase Transitions near Optimal Superconductivity in BaFe2(As1−xPx)2
Ding Hu, Xingye Lu, Wenliang Zhang, Huiqian Luo, Shiliang Li, Peipei Wang, Genfu Chen, Fei Han, Shree R. Banjara, A. Sapkota, A. Kreyssig, A. I. Goldman, Z. Yamani, Christof Niedermayer, Markos Skoulatos, Robert Georgii, T. Keller, Pengshuai Wang, Weiqiang Yu, and Pengcheng Dai
Phys. Rev. Lett. 114, 157002 (2015). (Published on Apr 17th, 2015) [pdf file] [DOI]
Neutron spin resonance as a probe of superconducting gap anisotropy in partially detwinned electron underdoped NaFe0.985Co0.015As
Chenglin Zhang, J. T. Park, Xingye Lu, Rong Yu, Yu Li, Wenliang Zhang, Yang Zhao, J. W. Lynn, Qimiao Si, and Pengcheng Dai
Phys. Rev. B 91, 104520 (2015). (Published on Mar 27th, 2015) [pdf file] [DOI]
Doping evolution of antiferromagnetism and transport properties in nonsuperconducting BaFe2−2xNixCrxAs2
Rui Zhang, Dongliang Gong, Xingye Lu, Shiliang Li, Mark Laver, Christof Niedermayer, Sergey Danilkin, Guochu Deng, Pengcheng Dai, and Huiqian Luo
Phys. Rev. B 91, 094506 (2015). (Published on Mar 12th, 2015) [pdf file] [DOI]
Chemical tuning of electrical transport in Ti1−xPtxSe2−y
Justin S. Chen, Jiakui K. Wang, Scott V. Carr, Sven C. Vogel, Olivier Gourdon, Pengcheng Dai, and E. Morosan
Phys. Rev. B 91, 045125 (2015). (Published on Jan 20th, 2015) [pdf file] [DOI]
Nodeless superconductivity in the presence of spin-density wave in pnictide superconductors: The case of BaFe2−xNixAs2
Mahmoud Abdel-Hafiez, Yuanyuan Zhang, Zheng He, Jun Zhao, Christoph Bergmann, Cornelius Krellner, Chun-Gang Duan, Xingye Lu, Huiqian Luo, Pengcheng Dai, and Xiao-Jia Chen
Phys. Rev. B 91, 024510 (2015). (Published on Jan 20th, 2015) [pdf file] [DOI]
Phase separation, competition, and volume-fraction control in NaFe1−xCoxAs
Long Ma, J. Dai, P. S. Wang, X. R. Lu, Yu Song, Chenglin Zhang, G. T. Tan, Pengcheng Dai, D. Hu, S. L. Li, B. Normand, and Weiqiang Yu
Phys. Rev. B 90, 144502 (2014). (Published on Oct 7th, 2014) [pdf file] [DOI]
Anisotropic neutron spin resonance in underdoped superconducting NaFe1−xCoxAs
Chenglin Zhang, Yu Song, L.-P. Regnault, Yixi Su, M. Enderle, J. Kulda, Guotai Tan, Zachary C. Sims, Takeshi Egami, Qimiao Si, and Pengcheng Dai
Phys. Rev. B 90, 140502 (2014). (Published on Oct 1st, 2014) [pdf file] [DOI]
Two spatially separated phases in semiconducting Rb0.8Fe1.5S2
Meng Wang, Wei Tian, P. Valdivia, Songxue Chi, E. Bourret-Courchesne, Pengcheng Dai, and R. J. Birgeneau,
Phys. Rev. B 90, 125148 (2014). (Published on Sep 26th, 2014) [pdf file] [DOI]
The effect of Cr impurity to superconductivity in electron-doped BaFe2−xNixAs2
Rui Zhang, Dongliang Gong, Xingye Lu, Shiliang Li, Pengcheng Dai, and Huiqian Luo
Superconductor Science and Technology 27, 115003 (2014). (Published on Sep 22nd, 2014) [pdf file] [DOI]
Nematic spin correlations in the tetragonal state of uniaxial-strained BaFe2−xNixAs2
Xingye Lu, J. T. Park, Rui Zhang, Huiqian Luo, Andriy H. Nevidomskyy, Qimiao Si, Pengcheng Dai
Science 345, 657–660 (2014). (Published on Jul 31st, 2014) [pdf file] [DOI]
Short-range cluster spin glass near optimal superconductivity in BaFe2−xNixAs2
Xingye Lu, David W. Tam, Chenglin Zhang, Huiqian Luo, Meng Wang, Rui Zhang, Leland W. Harriger, T. Keller, B. Keimer, L.-P. Regnault, Thomas A. Maier, and Pengcheng Dai
Phys. Rev. B 90, 024509 (2014). (Published on Jul 11th, 2014) [pdf file] [DOI]
Observation of Momentum-Confined In-Gap Impurity State in Ba0.6K0.4Fe2As2: Evidence for Antiphase s± Pairing
P. Zhang, P. Richard, T. Qian, X. Shi, J. Ma, L.-K. Zeng, X.-P. Wang, E. Rienks, C.-L. Zhang, Pengcheng Dai, Y.-Z. You, Z.-Y. Weng, X.-X. Wu, J. P. Hu, and H. Ding
Phys. Rev. X 4, 031001 (2014). (Published on Jul 3rd, 2014) [pdf file] [DOI]
Iron-based high transition temperature superconductors
Xianhui Chen, Pengcheng Dai, Donglai Feng, Tao Xiang, and Fu-Chun Zhang
National Science Review 1, 371–395 (2014). (Published on Jul 3rd, 2014) [pdf file] [DOI]
Evolution of London penetration depth with scattering in single crystals of K1−xNaxFe2As2
H. Kim, M. A. Tanatar, Yong Liu, Z. C. Sims, Chenglin Zhang, Pengcheng Dai, T. A. Lograsso, and R. Prozorov
Phys. Rev. B 89, 174519 (2014). (Published on May 30th, 2014) [pdf file] [DOI]
Effect of Pnictogen Height on Spin Waves in Iron Pnictides
Chenglin Zhang, Leland W. Harriger, Zhiping Yin, Weicheng Lv, Miaoyin Wang, Guotai Tan, Yu Song, D. L. Abernathy, Wei Tian, Takeshi Egami, Kristjan Haule, Gabriel Kotliar, and Pengcheng Dai
Phys. Rev. Lett. 112, 217202 (2014). (Published on May 28th, 2014) [pdf file] [DOI]
Influence of doping on the spin dynamics and magnetoelectric effect in hexagonal Y0.7Lu0.3MnO3
W. Tian, Guotai Tan, Liu Liu, Jinxing Zhang, Barry Winn, Tao Hong, J. A. Fernandez-Baca, Chenglin Zhang, and Pengcheng Dai
Phys. Rev. B 89, 144417 (2014). (Published on Apr 18th, 2014) [pdf file] [DOI]
Structure and composition of the superconducting phase in alkali iron selenide KyFe1.6+xSe2
Scott V. Carr, Despina Louca, Joan Siewenie, Q. Huang, Aifeng Wang, Xianhui Chen, and Pengcheng Dai
Phys. Rev. B 89, 134509 (2014). (Published on Apr 16th, 2014) [pdf file] [DOI]
Longitudinal Spin Excitations and Magnetic Anisotropy in Antiferromagnetically Ordered BaFe2As2
Chong Wang, Rui Zhang, Fa Wang, Huiqian Luo, L. P. Regnault, Pengcheng Dai, and Yuan Li
Phys. Rev. X 3, 041036 (2013). (Published on Dec 30th, 2013) [pdf file] [DOI]
Doping dependence of spin excitations and its correlations with high-temperature superconductivity in iron pnictides
Meng Wang, Chenglin Zhang, Xingye Lu, Guotai Tan, Huiqian Luo, Yu Song, Miaoyin Wang, Xiaotian Zhang, E.A. Goremychkin, T.G. Perring, T.A. Maier, Zhiping Yin, Kristjan Haule, Gabriel Kotliar & Pengcheng Dai
Nature Communications 4, 2874 (2013). (Published on Dec 4th, 2013) [pdf file] [DOI]
Superconductivity and antiferromagnetism in Ba0.75K0.25Fe2As2 single crystals as seen by 57Fe Mössbauer spectroscopy
J. Munevar, H. Micklitz, J. Aguero, Guotai Tan, Chenglin Zhang, Pengcheng Dai, and E. Baggio-Saitovitch
Phys. Rev. B 88, 184514 (2013). (Published on Nov 25th, 2013) [pdf file] [DOI]
Measurement of a Double Neutron-Spin Resonance and an Anisotropic Energy Gap for Underdoped Superconducting NaFe0.985Co0.015As Using Inelastic Neutron Scattering
Chenglin Zhang, Rong Yu, Yixi Su, Yu Song, Miaoyin Wang, Guotai Tan, Takeshi Egami, J. A. Fernandez-Baca, Enrico Faulhaber, Qimiao Si, and Pengcheng Dai,
Phys. Rev. Lett. 111, 207002 (2013). (Published on Nov 12th, 2013) [pdf file] [DOI]
Microscopic coexistence of a two-component incommensurate spin density wave with superconductivity in underdoped NaFe0.983Co0.017As
Sangwon Oh, A. M. Mounce, Jeongseop A. Lee, W. P. Halperin, C. L. Zhang, S. Carr, Pengcheng Dai, A. P. Reyes, and P. L. Kuhns
Phys. Rev. B 88, 134518 (2013). (Published on Oct 25th, 2013) [pdf file] [DOI]
Electron doping evolution of the magnetic excitations in BaFe2−xNixAs2
Huiqian Luo, Xingye Lu, Rui Zhang, Meng Wang, E. A. Goremychkin, D. T. Adroja, Sergey Danilkin, Guochu Deng, Zahra Yamani, and Pengcheng Dai
Phys. Rev. B 88, 144516 (2013). (Published on Oct 25th, 2013) [pdf file] [DOI]
In-plane spin excitation anisotropy in the paramagnetic state of NaFeAs
Yu Song, Louis-Pierre Regnault, Chenglin Zhang, Guotai Tan, Scott V. Carr, Songxue Chi, A. D. Christianson, Tao Xiang, and Pengcheng Dai
Phys. Rev. B 88, 134512 (2013). (Published on Oct 17th, 2013) [pdf file] [DOI]
Longitudinal and transverse Hall resistivities in NaFe1−xCoxAs single crystals with x=0.022 and 0.0205: weak pinning and anomalous electrical transport properties
L M Wang, Chih-Yi Wang, Un-Cheong Sou, H C Yang, L J Chang, aleb Redding, Yu Song, Pengcheng Dai,and Chenglin Zhang
Journal of Physics: Condensed Matter 25, 395702 (2013). (Published on Sep 10th, 2013) [pdf file] [DOI]
Spin Excitation Anisotropy as a Probe of Orbital Ordering in the Paramagnetic Tetragonal Phase of Superconducting BaFe1.904Ni0.096As2
Huiqian Luo, Meng Wang, Chenglin Zhang, Xingye Lu, Louis-Pierre Regnault, Rui Zhang, Shiliang Li, Jiangping Hu, and Pengcheng Dai
Phys. Rev. Lett. 111, 107006 (2013). (Published on Sep 5th, 2013) [pdf file] [DOI]
Simultaneous Optimization of Spin Fluctuations and Superconductivity under Pressure in an Iron-Based Superconductor
G. F. Ji, J. S. Zhang, Long Ma, P. Fan, P. S. Wang, J. Dai, G. T. Tan, Y. Song, C. L. Zhang, Pengcheng Dai, B. Normand, and Weiqiang Yu
Phys. Rev. Lett. 111, 107004 (2013). (Published on Sep 4th, 2013) [pdf file] [DOI]
Distinguishing s± and s++ electron pairing symmetries by neutron spin resonance in superconducting NaFe0.935Co0.045As
Chenglin Zhang, H.-F. Li, Yu Song, Yixi Su, Guotai Tan, Tucker Netherton, Caleb Redding, Scott V. Carr, Oleg Sobolev, Astrid Schneidewind, Enrico Faulhaber, L. W. Harriger, Shiliang Li, Xingye Lu, Dao-Xin Yao, Tanmoy Das, A. V. Balatsky, Th. Brückel, J. W. Lynn, and Pengcheng Dai
Phys. Rev. B 88, 064504 (2013). (Published on Aug 9th, 2013) [pdf file] [DOI]
Avoided Quantum Criticality and Magnetoelastic Coupling in BaFe2−xNixAs2
Xingye Lu, H. Gretarsson, Rui Zhang, Xuerong Liu, Huiqian Luo, Wei Tian, Mark Laver, Z. Yamani, Young-June Kim, A. H. Nevidomskyy, Qimiao Si, and Pengcheng Dai
Phys. Rev. Lett. 110, 257001 (2013). (Published on Jun 18th, 2013) [pdf file] [DOI]
Uniaxial pressure effect on structural and magnetic phase transitions in NaFeAs and its comparison with as-grown and annealed BaFe2As2
Yu Song, Scott V. Carr, Xingye Lu, Chenglin Zhang, Zachary C. Sims, N. F. Luttrell, Songxue Chi, Yang Zhao, Jeffrey W. Lynn, and Pengcheng Dai
Phys. Rev. B 87, 184511 (2013). (Published on May 29th, 2013) [pdf file] [DOI]
Spin pairing and penetration depth measurements from nuclear magnetic resonance in NaFe0.975Co0.025As
Sangwon Oh, A. M. Mounce, Jeongseop A. Lee, W. P. Halperin, C. L. Zhang, S. Carr, and Pengcheng Dai
Phys. Rev. B 87, 174517 (2013). (Published on May 20th, 2013) [pdf file] [DOI]
Strong-coupling superconductivity in NaFe1−xCoxAs: Validity of Eliashberg theory
Guotai Tan, Ping Zheng, Xiancheng Wang, Yanchao Chen, Xiaotian Zhang, Jianlin Luo, Tucker Netherton, Yu Song, Pengcheng Dai, Chenglin Zhang, and Shiliang Li
Phys. Rev. B 87, 144512 (2013). (Published on Apr 22nd, 2013) [pdf file] [DOI]
Anisotropic but Nodeless Superconducting Gap in the Presence of Spin-Density Wave in Iron-Pnictide Superconductor NaFe1−xCoxAs
Q. Q. Ge, Z. R. Ye, M. Xu, Y. Zhang, J. Jiang, B. P. Xie, Y. Song, C. L. Zhang, Pengcheng Dai, and D. L. Feng
Phys. Rev. X 3, 011020 (2013). (Published on Mar 13th, 2013) [pdf file] [DOI]
Persistent high-energy spin excitations in iron-pnictide superconductors
Ke-Jin Zhou, Yao-Bo Huang, Claude Monney, Xi Dai, Vladimir N. Strocov, Nan-Lin Wang, Zhi-Guo Chen, Chenglin Zhang, Pengcheng Dai, Luc Patthey, Jeroen van den Brink, Hong Ding & Thorsten Schmitt
Nature Communications 4, 1470 (2013). (Published on Feb 12th, 2013) [pdf file] [DOI]
Paramagnetic spin excitations in insulating Rb0.8Fe1.6Se2
Miaoyin Wang, Xingye Lu, R. A. Ewings, Leland W. Harriger, Yu Song, Scott V. Carr, Chunhong Li, Rui Zhang, and Pengcheng Dai
Phys. Rev. B 87, 064409 (2013). (Published on Feb 8th, 2013) [pdf file] [DOI]
Magnetic anisotropy in hole-doped superconducting Ba0.67K0.33Fe2As2 probed by polarized inelastic neutron scattering
Chenglin Zhang, Mengshu Liu, Yixi Su, Louis-Pierre Regnault, Meng Wang, Guotai Tan, Th. Brückel, Takeshi Egami, and Pengcheng Dai
Phys. Rev. B 87, 081101 (2013). (Published on Feb 7th, 2013) [pdf file] [DOI]
Close relationship between superconductivity and the bosonic mode in Ba0.6K0.4Fe2As2 and Na(Fe0.975Co0.025)As
Zhenyu Wang, Huan Yang, Delong Fang, Bing Shen, Qiang-Hua Wang, Lei Shan, Chenglin Zhang, Pengcheng Dai & Hai-Hu Wen
Nature Physics 9, 42–48 (2013). (Published on Nov 18th, 2012) [pdf file] [DOI]
Environmental stability and anisotropic resistivity of Co-doped Na1−δFe1−xCoxAs
N. Spyrison, M. A. Tanatar, Kyuil Cho, Y. Song, Pengcheng Dai, Chenglin Zhang, and R. Prozorov
Phys. Rev. B 86, 144528 (2012). (Published on Oct 23rd, 2012) [pdf file] [DOI]
Temperature dependence of the paramagnetic spin excitations in BaFe2As2
Leland W. Harriger, Mengshu Liu, Huiqian Luo, R. A. Ewings, C. D. Frost, T. G. Perring, and Pengcheng Dai
Phys. Rev. B 86, 140403 (2012). (Published on Oct 17th, 2012) [pdf file] [DOI]
Effect of Li-deficiency impurities on the electron-overdoped LiFeAs superconductor
Meng Wang, Miaoyin Wang, Hu Miao, S. V. Carr, D. L. Abernathy, M. B. Stone, X. C. Wang, Lingyi Xing, C. Q. Jin, Xiaotian Zhang, Jiangping Hu, Tao Xiang, Hong Ding, and Pengcheng Dai
Phys. Rev. B 86, 144511 (2012). (Published on Oct 11th, 2012) [pdf file] [DOI]
Magnetism and its microscopic origin in iron-based high-temperature superconductors
Pengcheng Dai, Jiangping Hu & Elbio Dagotto
Nature Physics 8, 709–718 (2012). (Published on Oct 3rd, 2012) [pdf file] [DOI]
Magnetization in the superconducting state of UPt3 from polarized neutron diffraction
W. J. Gannon, W. P. Halperin, C. Rastovski, M. R. Eskildsen, Pengcheng Dai, and A. Stunault
Phys. Rev. B 86, 104510 (2012). (Published on Sep 17th, 2012) [pdf file] [DOI]
Doping-dependent anisotropic superconducting gap in Na1−δ(Fe1−xCox)As from London penetration depth
K. Cho, M. A. Tanatar, N. Spyrison, H. Kim, Y. Song, Pengcheng Dai, C. L. Zhang, and R. Prozorov
Phys. Rev. B 86, 020508 (2012). (Published on Jul 30th, 2012) [pdf file] [DOI]
Electron doping evolution of the anisotropic spin excitations in BaFe2−xNixAs2
Huiqian Luo, Zahra Yamani, Yanchao Chen, Xingye Lu, Meng Wang, Shiliang Li, Thomas A. Maier, Sergey Danilkin, D. T. Adroja, and Pengcheng Dai
Phys. Rev. B 86, 024508 (2012). (Published on Jul 10th, 2012) [pdf file] [DOI]
Neutron scattering studies of spin excitations in superconducting Rb0.82Fe1.68Se2
Miaoyin Wang, Chunhong Li, D. L. Abernathy, Yu Song, Scott V. Carr, Xingye Lu, Shiliang Li, Zahra Yamani, Jiangping Hu, Tao Xiang, and Pengcheng Dai
Phys. Rev. B 86, 024502 (2012). (Published on Jul 5th, 2012) [pdf file] [DOI]
Polarized neutron scattering studies of magnetic excitations in electron-overdoped superconducting BaFe1.85Ni0.15As2
Mengshu Liu, C. Lester, Jiri Kulda, Xinye Lu, Huiqian Luo, Meng Wang, S. M. Hayden, and Pengcheng Dai
Phys. Rev. B 85, 214516 (2012). (Published on Jun 18th, 2012) [pdf file] [DOI]
Coexistence and Competition of the Short-Range Incommensurate Antiferromagnetic Order with the Superconducting State of BaFe2−xNixAs2
Huiqian Luo, Rui Zhang, Mark Laver, Zahra Yamani, Meng Wang, Xingye Lu, Miaoyin Wang, Yanchao Chen, Shiliang Li, Sung Chang, Jeffrey W. Lynn, and Pengcheng Dai
Phys. Rev. Lett. 108, 247002 (2012). (Published on Jun 12th, 2012) [pdf file] [DOI]
Evidence of a Spin Resonance Mode in the Iron-Based Superconductor Ba0.6K0.4Fe2As2 from Scanning Tunneling Spectroscopy
Lei Shan, Jing Gong, Yong-Lei Wang, Bing Shen, Xingyuan Hou, Cong Ren, Chunhong Li, Huan Yang, Hai-Hu Wen, Shiliang Li, and Pengcheng Dai
Phys. Rev. Lett. 108, 227002 (2012). (Published on May 31st, 2012) [pdf file] [DOI]
Magnetic field dependence of spin-lattice relaxation in the s± state of Ba0.67K0.33Fe2As2
Sangwon Oh, A. M. Mounce, W. P. Halperin, C. L. Zhang, Pengcheng Dai, A. P. Reyes, and P. L. Kuhns
Phys. Rev. B 85, 174508 (2012). (Published on May 11th, 2012) [pdf file] [DOI]
Magnetic frustration and iron-vacancy ordering in iron chalcogenide
Chen Fang, Bao Xu, Pengcheng Dai, Tao Xiang, and Jiangping Hu
Phys. Rev. B 85, 134406 (2012). (Published on Apr 2nd, 2012) [pdf file] [DOI]
Nature of magnetic excitations in superconducting BaFe1.9Ni0.1As2
Mengshu Liu, Leland W. Harriger, Huiqian Luo, Meng Wang, R. A. Ewings, T. Guidi, Hyowon Park, Kristjan Haule, Gabriel Kotliar, S. M. Hayden & Pengcheng Dai
Nature Physics 8, 376–381 (2012). (Published on Mar 25th, 2012) [pdf file] [DOI]
Temperature dependence of the resonance and low-energy spin excitations in superconducting FeTe0.6Se0.4
Leland W. Harriger, O. J. Lipscombe, Chenglin Zhang, Huiqian Luo, Meng Wang, Karol Marty, M. D. Lumsden, and Pengcheng Dai
Phys. Rev. B 85, 054511 (2012). (Published on Feb 24th, 2012) [pdf file] [DOI]
Evolution of normal and superconducting properties of single crystals of Na1−δFeAs upon interaction with environment
M. A. Tanatar, N. Spyrison, Kyuil Cho, E. C. Blomberg, Guotai Tan, Pengcheng Dai, Chenglin Zhang, and R. Prozorov
Phys. Rev. B 85, 014510 (2012). (Published on Jan 18th, 2012) [pdf file] [DOI]
Superconductivity and spin fluctuations
Shiliang Li and Pengcheng Dai
Frontiers of Physics 6, 429–439 (2011). (Published on Dec 23rd, 2011) [pdf file] [DOI]
Spin waves and magnetic exchange interactions in insulating Rb0.89Fe1.58Se2
Miaoyin Wang, Chen Fang, Dao-Xin Yao, GuoTai Tan, Leland W. Harriger, Yu Song, Tucker Netherton, Chenglin Zhang, Meng Wang, Matthew B. Stone, Wei Tian, Jiangping Hu & Pengcheng Dai
Nature Communications 2, 580 (2011). (Published on Dec 6th, 2011) [pdf file] [DOI]
Common origin of the two types of magnetic fluctuations in iron chalcogenides
Songxue Chi, J. A. Rodriguez-Rivera, J. W. Lynn, Chenglin Zhang, D. Phelan, D. K. Singh, R. Paul, and Pengcheng Dai
Phys. Rev. B 84, 214407 (2011). (Published on Dec 5th, 2011) [pdf file] [DOI]
Neutron Scattering Studies of spin excitations in hole-doped Ba0.67K0.33Fe2As2 superconductor
Chenglin Zhang, Meng Wang, Huiqian Luo, Miaoyin Wang, Mengshu Liu, Jun Zhao, D. L. Abernathy, T. A. Maier, Karol Marty, M. D. Lumsden, Songxue Chi, Sung Chang, Jose A. Rodriguez-Rivera, J. W. Lynn, Tao Xiang, Jiangping Hu, & Pengcheng Dai
Scientific Reports 1, 115 (2011). (Published on Oct 19th, 2011) [pdf file] [DOI]
Antiferromagnetic order and superlattice structure in nonsuperconducting and superconducting RbyFe1.6+xSe2
Meng Wang, Miaoyin Wang, G. N. Li, Q. Huang, C. H. Li, G. T. Tan, C. L. Zhang, Huibo Cao, Wei Tian, Yang Zhao, Y. C. Chen, X. Y. Lu, Bin Sheng, H. Q. Luo, S. L. Li, M. H. Fang, J. L. Zarestky, W. Ratcliff, M. D. Lumsden, J. W. Lynn, and Pengcheng Dai
Phys. Rev. B 84, 094504 (2011). (Published on Sep 12th, 2011) [pdf file] [DOI]
Nematic spin fluid in the tetragonal phase of BaFe2As2
L. W. Harriger, H. Q. Luo, M. S. Liu, C. Frost, J. P. Hu, M. R. Norman, and Pengcheng Dai
Phys. Rev. B 84, 054544 (2011). (Published on Aug 24th, 2011) [pdf file] [DOI]
Effect of the in-plane magnetic field on the neutron spin resonance in optimally doped FeSe0.4Te0.6 and BaFe1.9Ni0.1As2 superconductors
Shiliang Li, Xingye Lu, Meng Wang, Hui-qian Luo, Miaoyin Wang, Chenglin Zhang, Enrico Faulhaber, Louis-Pierre Regnault, Deepak Singh, and Pengcheng Dai
Phys. Rev. B 84, 024518 (2011). (Published on Jul 15th, 2011) [pdf file] [DOI]
Antiferromagnetic spin excitations in single crystals of nonsuperconducting Li1−xFeAs
Meng Wang, X. C. Wang, D. L. Abernathy, L. W. Harriger, H. Q. Luo, Yang Zhao, J. W. Lynn, Q. Q. Liu, C. Q. Jin, Chen Fang, Jiangping Hu, and Pengcheng Dai
Phys. Rev. B 83, 220515 (2011). (Published on Jun 24th, 2011) [pdf file] [DOI]
Electron-spin excitation coupling in an electron-doped copper oxide superconductor
Jun Zhao, F. C. Niestemski, Shankar Kunwar, Shiliang Li, P. Steffens, A. Hiess, H. J. Kang,Stephen D. Wilson, Ziqiang Wang, Pengcheng Dai & V. Madhavan
Nature Physics 7, 719–724 (2011). (Published on May 23rd, 2011) [pdf file] [DOI]
Three-dimensionality of band structure and a large residual quasiparticle population in Ba0.67K0.33Fe2As2 as revealed by c-axis polarized optical measurements
B. Cheng, Z. G. Chen, C. L. Zhang, R. H. Ruan, T. Dong, B. F. Hu, W. T. Guo, S. S. Miao, P. Zheng, J. L. Luo, G. Xu, Pengcheng Dai, and N. L. Wang
Phys. Rev. B 83, 144522 (2011). (Published on Apr 22nd, 2011) [pdf file] [DOI]
Magnetic field effect on static antiferromagnetic order and spin excitations in the underdoped iron arsenide superconductor BaFe1.92Ni0.08As2
Miaoyin Wang, Huiqian Luo, Meng Wang, Songxue Chi, Jose A. Rodriguez-Rivera, Deepak Singh, Sung Chang, Jeffrey W. Lynn, and Pengcheng Dai
Phys. Rev. B 83, 094516 (2011). (Published on Mar 14th, 2011) [pdf file] [DOI]
Spin Waves in the (π,0) Magnetically Ordered Iron Chalcogenide Fe1.05Te
O. J. Lipscombe, G. F. Chen, Chen Fang, T. G. Perring, D. L. Abernathy, A. D. Christianson, Takeshi Egami, Nanlin Wang, Jiangping Hu, and Pengcheng Dai
Phys. Rev. Lett. 106, 057004 (2011). (Published on Feb 4th, 2011) [pdf file] [DOI]
Observation of a ubiquitous three-dimensional superconducting gap function in optimally doped Ba0.6K0.4Fe2As2
Y-M. Xu, Y-B. Huang, X-Y. Cui, E. Razzoli, M. Radovic, M. Shi, G-F. Chen, P. Zheng, N-L.Wang, C-L. Zhang, P-C. Dai, J-P. Hu, Z.Wang, and H. Ding
Nature Physics 7, 198–202 (2011). (Published on Jan 16th, 2011) [pdf file] [DOI]
Spin–lattice coupling in iron-pnictide superconductors
T. Egami, B.V. Fine, D.J. Singh, D. Parshall, C. de la Cruz and P. Dai
Physica C: Superconductivity and its Applications 470, S294–S295 (2010). (Published on Dec 3rd, 2010) [pdf file] [DOI]
Anisotropic structure of the order parameter in FeSe0.45Te0.55 revealed by angle-resolved specific heat
B. Zeng,G. Mu,H.Q. Luo,T. Xiang,I.I. Mazin,H. Yang,L. Shan,C. Ren,P.C. Dai & H.-H. Wen
Nature Communications 1, 112 (2010). (Published on Nov 16th, 2010) [pdf file] [DOI]
Normal-State Hourglass Dispersion of the Spin Excitations in FeSexTe1−x
Shiliang Li, Chenglin Zhang, Meng Wang, Hui-qian Luo, Xingye Lu, Enrico Faulhaber, Astrid Schneidewind, Peter Link, Jiangping Hu, Tao Xiang, and Pengcheng Dai
Phys. Rev. Lett. 105, 157002 (2010). (Published on Oct 4th, 2010) [pdf file] [DOI]
Anisotropic neutron spin resonance in superconducting BaFe1.9Ni0.1As2
O. J. Lipscombe, Leland W. Harriger, P. G. Freeman, M. Enderle, Chenglin Zhang, Miaoying Wang, Takeshi Egami, Jiangping Hu, Tao Xiang, M. R. Norman, and Pengcheng Dai
Phys. Rev. B 82, 064515 (2010). (Published on Aug 18th, 2010) [pdf file] [DOI]
Direct observation of paramagnons in palladium
R. Doubble, S. M. Hayden, Pengcheng Dai, H. A. Mook, J. R. Thompson, and C. D. Frost
Phys. Rev. Lett. 105, 027207 (2010). (Published on Jul 9th, 2010) [pdf file] [DOI]
Electron-doping evolution of the low-energy spin excitations in the iron arsenide superconductor BaFe2−xNixAs2
Miaoyin Wang, Huiqian Luo, Jun Zhao, Chenglin Zhang, Meng Wang, Karol Marty, Songxue Chi, Jeffrey W. Lynn, Astrid Schneidewind, Shiliang Li, and Pengcheng Dai
Phys. Rev. B 81, 174524 (2010). (Published on May 24th, 2010) [pdf file] [DOI]
Neutron spin resonance as a probe of the superconducting energy gap of BaFe1.9Ni0.1As2 superconductors
Jun Zhao, Louis-Pierre Regnault, Chenglin Zhang, Miaoying Wang, Zhengcai Li, Fang Zhou, Zhongxian Zhao, Chen Fang, Jiangping Hu, and Pengcheng Dai
Phys. Rev. B 81, 180505 (2010). (Published on May 12th, 2010) [pdf file] [DOI]
Magnetic form factor of SrFe2As2: Neutron diffraction measurements
W. Ratcliff, II, P. A. Kienzle, Jeffrey W. Lynn, Shiliang Li, Pengcheng Dai, G. F. Chen, and N. L. Wang
Phys. Rev. B 81, 140502 (2010). (Published on Apr 9th, 2010) [pdf file] [DOI]
Magnetic Quantum Oscillations in YBa2Cu3O6.61 and YBa2Cu3O6.69 in Fields of Up to 85 T: Patching the Hole in the Roof of the Superconducting Dome
John Singleton, Clarina de la Cruz, R. D. McDonald, Shiliang Li, Moaz Altarawneh, Paul Goddard, Isabel Franke, Dwight Rickel, C. H. Mielke, Xin Yao, and Pengcheng Dai
Phys. Rev. Lett. 104, 086403 (2010). (Published on Feb 25th, 2010) [pdf file] [DOI]
Lattice Distortion and Magnetic Quantum Phase Transition in CeFeAs1−xPxO
Clarina de la Cruz, W. Z. Hu, Shiliang Li, Q. Huang, J. W. Lynn, M. A. Green, G. F. Chen, N. L. Wang, H. A. Mook, Qimiao Si, and Pengcheng Dai
Phys. Rev. Lett. 104, 017204 (2010). (Published on Jan 8th, 2010) [pdf file] [DOI]
Low-energy Ce spin excitations in CeFeAsO and CeFeAsO0.84F0.16
Shi-liang Li, Dao-xin Yao, Yi-ming Qiu, Hye Jung Kang, E. W. Carlson, Jiang-ping Hu, Gen-fu Chen, Nan-lin Wang, and Pengcheng Dai
Frontiers of Physics in China 5, 161–165 (2010). (Published on Nov 13th, 2009) [pdf file] [DOI]
Electronic Self-Organization in the Single-Layer Manganite Pr1−xCa1+xMnO4
F. Ye, Songxue Chi, J. A. Fernandez-Baca, A. Moreo, E. Dagotto, J. W. Lynn, R. Mathieu, Y. Kaneko, Y. Tokura, and Pengcheng Dai
Phys. Rev. Lett. 103, 167202 (2009). (Published on Oct 14th, 2009) [pdf file] [DOI]
Annealing effect on the electron-doped superconductor Pr0.88LaCe0.12CuO4±δ
Yong-Lei Wang, Yan Huang, Lei Shan, S. L. Li, Pengcheng Dai, Cong Ren, and Hai-Hu Wen
Phys. Rev. B 80, 094513 (2009). (Published on Sep 18th, 2009) [pdf file] [DOI]
Long-range antiferromagnetism in Fe-based superconductors
Shiliang Li and Pengcheng Dai
Wuli 38, 644–650 (2009). (In Chinese.) (Published on Sep 17th, 2009) [pdf file] [DOI]
Transition from Three-Dimensional Anisotropic Spin Excitations to Two-Dimensional Spin Excitations by Electron Doping the FeAs-Based BaFe1.96Ni0.04As2 Superconductor
Leland W. Harriger, Astrid Schneidewind, Shiliang Li, Jun Zhao, Zhengcai Li, Wei Lu, Xiaoli Dong, Fang Zhou, Zhongxian Zhao, Jiangping Hu, and Pengcheng Dai
Phys. Rev. Lett. 103, 087005 (2009). (Published on Aug 20th, 2009) [pdf file] [DOI]
Superconducting state coexisting with a phase-separated static magnetic order in (Ba,K)Fe2As2, (Sr,Na)Fe2As2, and CaFe2As2
T. Goko, A. A. Aczel, E. Baggio-Saitovitch, S. L. Bud'ko, P. C. Canfield, J. P. Carlo, G. F. Chen, Pengcheng Dai, A. C. Hamann, W. Z. Hu, H. Kageyama, G. M. Luke, J. L. Luo, B. Nachumi, N. Ni, D. Reznik, D. R. Sanchez-Candela, A. T. Savici, K. J. Sikes, N. L. Wang, C. R. Wiebe, T. J. Williams, T. Yamamoto, W. Yu, and Y. J. Uemura
Phys. Rev. B 80, 024508 (2009). (Published on Jul 14th, 2009) [pdf file] [DOI]
Spin waves and magnetic exchange interactions in CaFe2As2
Jun Zhao, D. T. Adroja, Dao-Xin Yao, R. Bewley, Shiliang Li, X. F. Wang, G. Wu, X. H. Chen, Jiangping Hu & Pengcheng Dai
Nature Physics 5, 555–560 (2009). (Published on Jul 13th, 2009) [pdf file] [DOI]
Structural and magnetic phase transitions in Na1−δFeAs
Shiliang Li, Clarina de la Cruz, Q. Huang, G. F. Chen, T.-L. Xia, J. L. Luo, N. L. Wang, and Pengcheng Dai
Phys. Rev. B 80, 020504 (2009). (Published on Jul 9th, 2009) [pdf file] [DOI]
Spin gap and magnetic resonance in superconducting BaFe1.9Ni0.1As2
Shiliang Li, Ying Chen, Sung Chang, Jeffrey W. Lynn, Linjun Li, Yongkang Luo, Guanghan Cao, Zhu'an Xu, and Pengcheng Dai
Phys. Rev. B 79, 174527 (2009). (Published on May 26th, 2009) [pdf file] [DOI]
Neutron studies of the iron-based family of high TC magnetic superconductors
J. W. Lynn and Pengcheng Dai
Physica C: Superconductivity 469, 469–476 (2009). (Published on May 20th, 2009) [pdf file] [DOI]
Inelastic Neutron-Scattering Measurements of a Three-Dimensional Spin Resonance in the FeAs-Based BaFe1.9Ni0.1As2 Superconductor
Songxue Chi, Astrid Schneidewind, Jun Zhao, Leland W. Harriger, Linjun Li, Yongkang Luo, Guanghan Cao, Zhu'an Xu, Micheal Loewenhaupt, Jiangping Hu, and Pengcheng Dai
Phys. Rev. Lett. 102, 107006 (2009). (Published on Mar 13th, 2009) [pdf file] [DOI]
Static Magnetic Order and Superfluid Density of RFeAs(O,F) (R=La, Nd, Ce) and LaFePO Studied by Muon Spin Relaxation: Unusual Similarities with the Behavior of Cuprate Superconductors
J. P. Carlo, Y. J. Uemura, T. Goko, G. J. MacDougall, J. A. Rodriguez, W. Yu, G. M. Luke, Pengcheng Dai, N. Shannon, S. Miyasaka, S. Suzuki, S. Tajima, G. F. Chen, W. Z. Hu, J. L. Luo, and N. L. Wang
Phys. Rev. Lett. 102, 087001 (2009). (Published on Feb 23rd, 2009) [pdf file] [DOI]
First-order magnetic and structural phase transitions in Fe1+ySexTe1−x
Shiliang Li, Clarina de la Cruz, Q. Huang, Y. Chen, J. W. Lynn, Jiangping Hu, Yi-Lin Huang, Fong-Chi Hsu, Kuo-Wei Yeh, Maw-Kuen Wu, and Pengcheng Dai
Phys. Rev. B 79, 054503 (2009). (Published on Feb 2nd, 2009) [pdf file] [DOI]
Nature of the quantum spin correlations through the superconducting–normal phase transition in electron-doped superconducting Pr0.88LaCe0.12CuO4
Pengcheng Dai, Stephen D. Wilson, Shiliang Li, and Hai-Hu Wen
Journal of Physics and Chemistry of Solids 69, 3096–3099 (2008). (Published on Dec 6th, 2008) [pdf file] [DOI]
Muon-spin-relaxation studies of magnetic order and superfluid density in antiferromagnetic NdFeAsO, BaFe2As2, and superconducting Ba1−xKxFe2As2
A. A. Aczel, E. Baggio-Saitovitch, S. L. Budko, P. C. Canfield, J. P. Carlo, G. F. Chen, Pengcheng Dai, T. Goko, W. Z. Hu, G. M. Luke, J. L. Luo, N. Ni, D. R. Sanchez-Candela, F. F. Tafti, N. L. Wang, T. J. Williams, W. Yu, and Y. J. Uemura
Phys. Rev. B 78, 214503 (2008). (Published on Dec 2nd, 2008) [pdf file] [DOI]
Crystalline Electric Field as a Probe for Long-Range Antiferromagnetic Order and Superconducting State of CeFeAsO1−xFx
Songxue Chi, D. T. Adroja, T. Guidi, R. Bewley, Shiliang Li, Jun Zhao, J. W. Lynn, C. M. Brown, Y. Qiu, G. F. Chen, J. L. Lou, N. L. Wang, and Pengcheng Dai
Phys. Rev. Lett. 101, 217002 (2008). (Published on Nov 20th, 2008) [pdf file] [DOI]
Structural and magnetic phase diagram of CeFeAsO1−xFx and its relation to high-temperature superconductivity
Jun Zhao, Q. Huang, Clarina de la Cruz, Shiliang Li, J. W. Lynn, Y. Chen, M. A. Green, G. F. Chen, G. Li, Z. Li, J. L. Luo, N. L. Wang & Pengcheng Dai
Nature Materials 7, 953–959 (2008). (Published on Oct 26th, 2008) [pdf file] [DOI]
Low Energy Spin Waves and Magnetic Interactions in SrFe2As2
Jun Zhao, Dao-Xin Yao, Shiliang Li, Tao Hong, Y. Chen, S. Chang, W. Ratcliff II, J. W. Lynn, H. A. Mook, G. F. Chen, J. L. Luo, N. L. Wang, E. W. Carlson, Jiangping Hu, and Pengcheng Dai
Phys. Rev. Lett. 101, 167203 (2008). (Published on Oct 14th, 2008) [pdf file] [DOI]
Lattice and magnetic structures of PrFeAsO, PrFeAsO0.85F0.15, and PrFeAsO0.85
Jun Zhao, Q. Huang, Clarina de la Cruz, J. W. Lynn, M. D. Lumsden, Z. A. Ren, Jie Yang, Xiaolin Shen, Xiaoli Dong, Zhongxian Zhao, and Pengcheng Dai
Phys. Rev. B 78, 132504 (2008). (Published on Oct 7th, 2008) [pdf file] [DOI]
Spin and lattice structures of single-crystalline SrFe2As2
Jun Zhao, W. Ratcliff, II, J. W. Lynn, G. F. Chen, J. L. Luo, N. L. Wang, Jiangping Hu, and Pengcheng Dai
Phys. Rev. B 78, 140504 (2008). (Published on Oct 3rd, 2008) [pdf file] [DOI]
Doping evolution of antiferromagnetic order and structural distortion in LaFeAsO1−xFx
Q. Huang, Jun Zhao, J. W. Lynn, G. F. Chen, J. L. Luo, N. L. Wang, and Pengcheng Dai
Phys. Rev. B 78, 054529 (2008). (Published on Aug 28th, 2008) [pdf file] [DOI]
Signature of magnetic phase separation in the ground state of Pr1−xCaxMnO3
Hao Sha, F. Ye, Pengcheng Dai, J. A. Fernandez-Baca, Dalgis Mesa, J. W. Lynn, Y. Tomioka, Y. Tokura, and Jiandi Zhang
Phys. Rev. B 78, 052410 (2008). (Published on Aug 27th, 2008) [pdf file] [DOI]
Magnetic order of the iron spins in NdFeAsO
Ying Chen, J. W. Lynn, J. Li, G. Li, G. F. Chen, J. L. Luo, N. L. Wang, Pengcheng Dai, C. dela Cruz, and H. A. Mook
Phys. Rev. B 78, 064515 (2008). (Published on Aug 21st, 2008) [pdf file] [DOI]
Impact of oxygen annealing on the heat capacity and magnetic resonance of superconducting Pr0.88LaCe0.12CuO4−δ
Shiliang Li, Songxue Chi, Jun Zhao, H.-H. Wen, M. B. Stone, J. W. Lynn, and Pengcheng Dai
Phys. Rev. B 78, 014520 (2008). (Published on Jul 23rd, 2008) [pdf file] [DOI]
Distinction between the normal-state gap and superconducting gap of electron-doped cuprates
L. Shan, Y. L. Wang, Y. Huang, S. L. Li, J. Zhao, Pengcheng Dai, and H. H. Wen
Phys. Rev. B 78, 014505 (2008). (Published on Jul 9th, 2008) [pdf file] [DOI]
Magnetic order close to superconductivity in the iron-based layered LaO1−xFxFeAs systems
Clarina de la Cruz, Q. Huang, J. W. Lynn, Jiying Li, W. Ratcliff II, J. L. Zarestky, H. A. Mook, G. F. Chen, J. L. Luo, N. L. Wang & Pengcheng Dai
Nature 453, 899–902 (2008). (Published on May 28th, 2008) [pdf file] [DOI]
Emergence of the nodal portion of the Fermi surface due to the reduction process in the electron-doped cuprates
P. Richard, M. Neupane, Y.-M. Xu, P. Fournier, S. Li, Pengcheng Dai, Z. Wang, and H. Ding
Physica B: Condensed Matter 403, 1170–1172 (2008). (Published on Apr 1st, 2008) [pdf file] [DOI]
Inelastic neutron scattering study of crystal field levels in PrOs4As12
Songxue Chi, Pengcheng Dai, T. Barnes, H. J. Kang, J. W. Lynn, R. Bewley, F. Ye, M. B. Maple, Z. Henkie, and A. Pietraszko
Phys. Rev. B 77, 094428 (2008). (Published on Mar 25th, 2008) [pdf file] [DOI]
Weak-coupling Bardeen-Cooper-Schrieffer superconductivity in the electron-doped cuprate superconductors
L. Shan, Y. Huang, Y. L. Wang, Shiliang Li, Jun Zhao, Pengcheng Dai, Y. Z. Zhang, C. Ren, and H. H. Wen
Phys. Rev. B 77, 014526 (2008). (Published on Jan 28th, 2008) [pdf file] [DOI]
Quantum spin excitations through the metal-to-insulator crossover in YBa2Cu3O6+y
Shiliang Li, Zahra Yamani, Hye Jung Kang, Kouji Segawa, Yoichi Ando, Xin Yao, H. A. Mook, Pengcheng Dai
Phys. Rev. B 77, 014523 (2008). (Published on Jan 25th, 2008) [pdf file] [DOI]
A distinct bosonic mode in an electron-doped high-transition-temperature superconductor
F. C. Niestemski, S. Kunwar, S. Zhou, Shiliang Li, H. Ding, Ziqiang Wang, Pengcheng Dai & V. Madhavan
Nature 450, 1058–1061 (2007). (Published on Dec 13th, 2007) [pdf file] [DOI]
Competition between Antiferromagnetism and Superconductivity in the Electron-Doped Cuprates Triggered by Oxygen Reduction
P. Richard, M. Neupane, Y.-M. Xu, P. Fournier, S. Li, Pengcheng Dai, Z. Wang, and H. Ding
Phys. Rev. Lett. 99, 157002 (2007). (Published on Oct 11th, 2007) [pdf file] [DOI]
Quantum spin correlations through the superconducting-to-normal phase transition in electron-doped superconducting Pr0.88LaCe0.12CuO4−δ
Stephen D. Wilson, Shiliang Li, Jun Zhao, Gang Mu, Hai-hu Wen, Jeffrey W. Lynn, Paul G. Freeman, Louis-Pierre Regnault, Klaus Habicht, Pengcheng Dai
Proc. Natl. Acad. Sci. USA 104, 15259–15263 (2007). (Published on Sep 20th, 2007) [pdf file] [DOI]
Magnetic fluctuations in n-type high-Tc superconductors reveal breakdown of fermiology: Experiments and Fermi-liquid/RPA calculations
F. Krüger, S. D. Wilson, L. Shan, Shiliang Li, Y. Huang, H.-H. Wen, S.-C. Zhang, Pengcheng Dai, and J. Zaanen
Phys. Rev. B 76, 094506 (2007). (Published on Sep 10th, 2007) [pdf file] [DOI]
Incommensurate magnetic structure in the orthorhombic perovskite ErMnO3
F. Ye, B. Lorenz, Q. Huang, Y. Q. Wang, Y. Y. Sun, C. W. Chu, J. A. Fernandez-Baca, Pengcheng Dai, and H. A. Mook
Phys. Rev. B 76, 060402 (2007). (Published on Aug 3rd, 2007) [pdf file] [DOI]
Neutron-Spin Resonance in the Optimally Electron-Doped Superconductor Nd1.85Ce0.15CuO4−δ
Jun Zhao, Pengcheng Dai, Shiliang Li, Paul G. Freeman, Y. Onose, Y. Tokura
Phys. Rev. Lett. 99, 017001 (2007). (Published on Jul 5th, 2007) [pdf file] [DOI]
Magnons in ferromagnetic metallic manganites
Jiandi Zhang, F. Ye, Hao Sha, Pengcheng Dai, J. A. Fernandez-Baca, and E. W. Plummer
Journal of Physics: Condensed Matter 19, 315204 (2007). (Published on Jul 4th, 2007) [pdf file] [DOI]
Effect of antiferromagnetic spin correlations on lattice distortion and charge ordering in Pr0.5Ca1.5MnO4
Songxue Chi, F. Ye , Pengcheng Dai, J. A. Fernandez-Baca , Q. Huang , J. W. Lynn , E. W. Plummer, R. Mathieu, Y. Kaneko, and Y. Tokura
Proc. Natl. Acad. Sci. USA 104, 10796–10801 (2007). (Published on Jun 20th, 2007) [pdf file] [DOI]
Spin waves throughout the Brillouin zone and magnetic exchange coupling in the ferromagnetic metallic manganites La1−xCaxMnO3 (x=0.25,0.30)
F. Ye, Pengcheng Dai, J. A. Fernandez-Baca, D. T. Adroja, T. G. Perring, Y. Tomioka, Y. Tokura
Phys. Rev. B 75, 144408 (2007). (Published on Apr 7th, 2007) [pdf file] [DOI]
Peak effect due to Josephson vortices in superconducting Pr0.88LaCe0.12CuO4−δ single crystals
Yue Wang, Cong Ren, Lei Shan, Shiliang Li, Pengcheng Dai, and Hai-Hu Wen
Phys. Rev. B 75, 134505 (2007). (Published on Apr 6th, 2007) [pdf file] [DOI]
Evolution of spin excitations in electron-doped Pr0.88LaCe0.12CuO4−δ
Pengcheng Dai, Stephen D. Wilson and Shiliang Li
Physica C: Superconductivity and its Applications 460–462, 52–55 (2007). (Published on Mar 28th, 2007) [pdf file] [DOI]
Microscopic annealing process and its impact on superconductivity in T'-structure electron-doped copper oxides
Hye Jung Kang, Pengcheng Dai, Branton J. Campbell, Peter J. Chupas, Stephan Rosenkranz, Peter L. Lee, Qingzhen Huang, Shiliang Li, Seiki Komiya, Yoichi Ando
Nature Materials 6, 224–229 (2007). (Published on Mar 1st, 2007) [pdf file] [DOI]
Magnetic excitations in high-temperature superconductors: search for universal features in different classes of copper oxides
Pengcheng Dai and Shiliang Li
Wuli 35, 837–844 (2006). (In Chinese.) (Published on Oct 31st, 2006) [pdf file] [DOI]
Evolution of low-energy spin dynamics in the electron-doped high-transition-temperature superconductor Pr0.88LaCe0.12CuO4−δ
S. D. Wilson, Shiliang Li, Pengcheng Dai, Wei Bao, J. H. Chung, H. J. Kang, S.-H. Lee, S. Komiya, Y. Ando, and Q. Si.
Phys. Rev. B 74, 144514 (2006). (Published on Oct 23rd, 2006) [pdf file] [DOI]
Magnetic energy change available to superconducting condensation in optimally doped YBa2Cu3O6.95
Hyungje Woo, Pengcheng Dai, S. M. Hayden, H. A. Mook, T. Dahm, D. J. Scalapino, T. G. Perring, and F. Dogan
Nature Physics 2, 600–604 (2006). (Published on Aug 27th, 2006) [pdf file] [DOI]
Resonance in the electron-doped high-transition-temperature superconductor Pr0.88LaCe0.12CuO4−δ
Stephen D. Wilson, Pengcheng Dai, Shiliang Li, Songxue Chi, H. J. Kang, and J. W. Lynn
Nature 442, 59–62 (2006). (Published on Jul 5th, 2006) [pdf file] [DOI]
Spin waves and phonons in the CMR ferromagnet La0.70Ca0.30MnO3
J.A. Fernandez-Baca, M.E. Hagen, Pengcheng Dai, F. Ye, J. Kulda, Y. Tomioka, and Y. Tokura
Physica B: Condensed Matter 385–386, 66–68 (2006). (Published on Jul 5th, 2006) [pdf file] [DOI]
Spontaneous spin-lattice coupling in the geometrically frustrated triangular lattice antiferromagnet CuFeO2
F. Ye, Y. Ren, Q. Huang, J. A. Fernandez-Baca, Pengcheng Dai, J. W. Lynn, and T. Kimura
Phys. Rev. B 73, 220404 (2006). (Published on Jun 22nd, 2006) [pdf file] [DOI]
Field-dependent ordered phases and Kondo phenomena in the filled skutterudite compound PrOs4As12
M. B. Maple, N. P. Butch, N. A. Frederick, P.-C. Ho, J. R. Jeffries, T. A. Sayles, T. Yanagisawa, W. M. Yuhasz, Songxue Chi, H. J. Kang, J. W. Lynn, Pengcheng Dai, S. K. McCall, M. W. McElfresh, M. J. Fluss, Z. Henkie, and A. Pietraszko
Proc. Natl. Acad. Sci. USA 103, 6783–6789 (2006). (Published on May 2nd, 2006) [pdf file] [DOI]
High-Energy Spin Excitations in the Electron-Doped Superconductor Pr0.88LaCe0.12CuO4−δ with Tc = 21 K
Stephen D. Wilson, Shiliang Li, Hyungje Woo, Pengcheng Dai, H. A. Mook, C. D. Frost, Seiki Komiya, and Yoichi Ando
Phys. Rev. Lett. 96, 157001 (2006). (Published on Apr 18th, 2006) [pdf file] [DOI]
Transport properties of electron-doped La2−xCexCuO4 cuprate thin films
H. Wu, L. Zhao, J. Yuan, L. X. Cao, J. P. Zhong, L. J. Gao, B. Xu, P. C. Dai, B. Y. Zhu, X. G. Qiu, and B. R. Zhao
Phys. Rev. B 73, 104512 (2006). (Published on Mar 24th, 2006) [pdf file] [DOI]
Non-Fermi liquid behavior and quantum criticality in Sc1−xUxPd3 and URu2−xRexSi2
M.B. Maple, N.P. Butch, E.D. Bauer, V.S. Zapf, P.-C. Ho, S.D. Wilson, Pengcheng Dai, D.T. Adroja, S.-H. Lee, J.-H. Chung, and J.W. Lynn
Physica B: Condensed Matter 378–380, 911–914 (2006). (Published on Mar 2nd, 2006) [pdf file] [DOI]
Evolution of Spin-Wave Excitations in Ferromagnetic Metallic Manganites
F. Ye, Pengcheng Dai, J. A. Fernandez-Baca, H. Sha, J. W. Lynn, H. Kawano-Furukawa, Y. Tomioka, Y. Tokura, and Jiandi Zhang
Phys. Rev. Lett. 96, 047204 (2006). (Published on Jan 30th, 2006) [pdf file] [DOI]
Lattice vibrations in La(Ce)Fe4Sb12 and CoSb3: Inelastic neutron scattering and theory
J. L. Feldman, Pengcheng Dai, T. Enck, B. C. Sales, D. Mandrus, and D. J. Singh
Phys. Rev. B 73, 014306 (2006). (Published on Jan 27th, 2006) [pdf file] [DOI]
Electronically smecticlike liquid-crystal phase in a nearly half-doped manganite
F. Ye, J. A. Fernandez-Baca, Pengcheng Dai, J. W. Lynn, H. Kawano-Furukawa, H. Yoshizawa, Y. Tomioka, and Y. Tokura
Phys. Rev. B 72, 212404 (2005). (Published on Dec 6th, 2005) [pdf file] [DOI]
Distinct pairing symmetries in Nd1.85Ce0.15CuO4−y and La1.89Sr0.11CuO4 single crystals: Evidence from comparative tunneling measurements
L. Shan, Y. Huang, H. Gao, Y. Wang, S. L. Li, Pengcheng Dai, F. Zhou, J. W. Xiong, W. X. Ti, and H. H. Wen
Phys. Rev. B 72, 144506 (2005). (Published on Oct 7th, 2005) [pdf file] [DOI]
Re-entrant spin glass behavior in Mn-rich YMnO3
W. R. Chen, F. C. Zhang, J. Miao, B. Xu, X. L. Dong, L. X. Cao, X. G. Qiu, B. R. Zhao, and P. Dai
Applied Physics Letters 87, 042508 (2005). (Published on Jul 25th, 2005) [pdf file] [DOI]
Electronically competing phases and their magnetic field dependence in electron-doped nonsuperconducting and superconducting Pr0.88LaCe0.12CuO4±δ
H. J. Kang, P. Dai, H. A. Mook, D. N. Argyriou, V. Sikolenko, J. W. Lynn, Y. Kurita, S. Komiya, and Y. Ando
Phys. Rev. B 71, 214512 (2005). (Published on Jun 9th, 2005) [pdf file] [DOI]
Electronic inhomogeneity and competing phases in electron-doped superconducting Pr0.88LaCe0.12CuO4−δ
P. Dai, H. J. Kang, H. A. Mook, M. Matsuura, J. W. Lynn, Y. Kurita, S. Komiya, and Y. Ando
Phys. Rev. B 71, 100502 (2005). (Published on Mar 21st, 2005) [pdf file] [DOI]
Quantum Critical Scaling and the Origin of Non-Fermi-Liquid Behavior in Sc1−xUxPd3
Stephen D. Wilson, Pengcheng Dai, D. T. Adroja, S.-H. Lee, J.-H. Chung, J. W. Lynn, N. P. Butch, M. B. Maple
Phys. Rev. Lett. 94, 056402 (2005). (Published on Feb 11th, 2005) [pdf file] [DOI]
Spin-Charge Coupling in lightly doped Nd2−xCexCuO4
Shiliang Li, Stephen D. Wilson, David Mandrus, Bairu Zhao, Y. Onose, Y. Tokura, Pengcheng Dai
Phys. Rev. B 71, 054505 (2005). (Published on Feb 8th, 2005) [pdf file] [DOI]
Spin-Flop Transition and the Anisotropic Magnetoresistance of Pr1.3−xLa0.7CexCuO4: Unexpectedly Strong Spin-Charge Coupling in the Electron-Doped Cuprates
A. N. Lavrov, H. J. Kang, Y. Kurita, T. Suzuki, S. Komiya, J. W. Lynn, S.-H. Lee, P. Dai, and Y. Ando
Phys. Rev. Lett. 92, 227003 (2004). (Published on Jun 4th, 2004) [pdf file] [DOI]
The structure of the high-energy spin excitations in a high-transition-temperature superconductor
S. M. HAYDEN, H. A. MOOK, PENGCHENG DAI, T. G. PERRING & F. DOGAN
Nature 429, 531–534 (2004). (Published on Jun 3rd, 2004) [pdf file] [DOI]
Anisotropy in the incommensurate spin fluctuations of Sr2RuO4
T. Nagata, M. Urata, H. Kawano-Furukawa, H. Yoshizawa, H. Kadowaki, P. Dai,
Phys. Rev. B 69, 174501 (2004). (Published on May 6th, 2004) [pdf file] [DOI]
Polarized neutron measurement of magnetic order in YBa2Cu3O6.45
H. A. Mook, P. Dai, S. M. Hayden, A. Hiess, S.-H. Lee, and F. Dogan
Phys. Rev. B 69, 134509 (2004). (Published on Apr 19th, 2004) [pdf file] [DOI]
Magnetic-field effect on static antiferromagnetic order above the upper critical field in Nd1.85Ce0.15CuO4
M. Matsuura, P. Dai, H. J. Kang, J. W. Lynn, D. N. Argyriou, Y. Onose, and Y. Tokura
Phys. Rev. B 69, 104510 (2004). (Published on Mar 29th, 2004) [pdf file] [DOI]
Spurious magnetism in high-Tc superconductor
H. J. Kang, Pengcheng Dai, J. W. Lynn, M. Matsuura, J. R. Thompson, Shou-Cheng Zhang, D. N. Argyriou, Y. Onose., Y. Tokura
Nature 426, 140 (2003). (Published on Nov 13th, 2003) [pdf file] [DOI]
Effect of a magnetic field on the long-range magnetic order in insulating Nd2CuO4 and nonsuperconducting and superconducting Nd1.85Ce0.15CuO4
M. Matsuura, Pengcheng Dai, H. J. Kang, J. W. Lynn, D. N. Argyriou, K. Prokes, Y. Onose, and Y. Tokura
Phys. Rev. B 68, 144503 (2003). (Published on Oct 3rd, 2003) [pdf file] [DOI]
Antiferromagnetic order as the competing ground state in electron-doped Nd1.85Ce0.15CuO4
H. J. Kang, Pengcheng Dai, J. W. Lynn, M. Matsuura, J. R. Thompson, Shou-Cheng Zhang, D. N. Argyriou, Y. Onose., Y. Tokura
Nature 423, 522–525 (2003). (Published on May 29th, 2003) [pdf file] [DOI]
Polaron lifetime in La0.75Ca0.25MnO3
N. Wakabayahsi, S. Shimoumura, P. Dai, J. A. Fernandez-Baca, Y. Tomioka, Y. Tokura,
Applied Physics A: Materials Science & Processing 74, S1782–S1784 (2002). (Published on Dec 1st, 2002) [DOI]
Magnetic order in YBa2Cu3O6+x superconductors
H. A. Mook, Pengcheng Dai, S. M. Hayden, A. Hiess, J. W. Lynn, S.-H. Lee, and F. Dogan
Phys. Rev. B 66, 144513 (2002). (Published on Oct 30th, 2002) [pdf file] [DOI]
Microscopic spin interactions in colossal magnetoresistance manganites
J. A. Fernandez-Baca, Pengcheng Dai, H. Kawano-Furukawa, H. Yoshizawa, E. Plummer, S. Katano, Y. Tomioka, and Y. Tokura
Phys. Rev. B 66, 054434 (2002). (Published on Aug 26th, 2002) [pdf file] [DOI]
Doping evolution of the phonon density of states and electron-lattice interaction in Nd2−xCexCuO4+δ
H. J. Kang, Pengcheng Dai, D. Mandrus, R. Jin, H. A. Mook, D. T. Adroja, S. M. Bennington, S.-H. Lee, and J. W. Lynn
Phys. Rev. B 66, 064506 (2002). (Published on Aug 9th, 2002) [pdf file] [DOI]
Charge and Spin Structure in YBa2Cu3O6.35
H. A. Mook, Pengcheng Dai, and F. Dogan
Phys. Rev. Lett. 88, 097004 (2002). (Published on Feb 15th, 2002) [pdf file] [DOI]
Magnetic coupling in the insulating and metallic ferromagnetic La1−xCaxMnO3
Pengcheng Dai, J. A. Fernandez-Baca, E. W. Plummer, Y. Tomioka, and Y. Tokura
Phys. Rev. B 64, 224429 (2001). (Published on Nov 26th, 2001) [pdf file] [DOI]
Observation of magnetic moments in the superconducting state of YBa2Cu3O6.6
H. A. Mook, Pengcheng Dai, and F. Doğan
Phys. Rev. B 64, 012502 (2001). (Published on May 30th, 2001) [pdf file] [DOI]
Jahn-Teller Phonon Anomaly and Dynamic Phase Fluctuations in La0.7Ca0.3MnO3
Jiandi Zhang, Pengcheng Dai, J. A. Fernendez-Baca, E. W. Plummer, Y. Tomioka, and Y. Tokura
Phys. Rev. Lett. 86, 3823–3826 (2001). (Published on Apr 23rd, 2001) [pdf file] [DOI]
Evolution of the resonance and incommensurate spin fluctuations in superconducting YBa2Cu3O6+x
Pengcheng Dai, H. A. Mook, R. D. Hunt and F. Dogan
Phys. Rev. B 63, 054525 (2001). (Published on Jan 17th, 2001) [pdf file] [DOI]
Growth of n-alkane films on a single-crystal substrate
Z. Wu, S. N. Ehrlich, B. Matthiesa, K. W. Herwiga, Pengcheng Dai, U. G. Volkmann, F. Y. Hansen, and H. Taub
Chemical Physics Letters 348, 168–174 (2001). (Published on Nov 9th, 2000) [pdf file] [DOI]
Measurements of magnetoresistivity and magnetization of Sr2RuO4 single crystals
JunHo Kim, N. R. Dilley, R. P. Dickeya, A. Amann, C. Sirvent, M. B. Maple, Hazuki Kawano and Pengcheng Dai
Physica C: Superconductivity 341–348, 795–796 (2000). (Published on Nov 1st, 2000) [pdf file] [DOI]
Short-Range Polaron Correlations in the Ferromagnetic La1−xCaxMnO3
Pengcheng Dai, J. A. Fernandez-Baca, N. Wakabayashi, E. W. Plummer, Y. Tomioka, and Y. Tokura
Phys. Rev. Lett. 85, 2553–2556 (2000). (Published on Sep 18th, 2000) [pdf file] [DOI]
Resonance as a measure of pairing correlations in the high-Tc superconductor YBa2Cu3O6.6
Pengcheng Dai, H. A. Mook, G. Aeppli, S. M. Hayden, F. Dogan
Nature 406, 965–968 (2000). (Published on Aug 21st, 2000) [pdf file] [DOI]
Commensurate Dynamic Magnetic Correlations in La2Cu0.9Li0.1O4
Wei Bao, R. J. McQueeney, R. Heffner, J. L. Sarrao, P. Dai, and J. L. Zarestky
Phys. Rev. Lett. 84, 3978–3981 (2000). (Published on Apr 24th, 2000) [pdf file] [DOI]
One-dimensional nature of the magnetic fluctuations in YBa2Cu3O6.6
H. A. MOOK, PENGCHENG DAI, F. DOGAN and R. D. HUNT
Nature 404, 729–731 (2000). (Published on Apr 13th, 2000) [pdf file] [DOI]
Magnon damping by magnon-phonon coupling in manganese perovskites
Pengcheng Dai, H. Y. Hwang, Jiandi Zhang, J. A. Fernandez-Baca, S.-W. Cheong, C. Kloc, Y. Tomioka, and Y. Tokura
Phys. Rev. B 61, 9553–9557 (2000). (Published on Apr 1st, 2000) [pdf file] [DOI]
Synchrotron x-ray-diffraction study of the structure and growth of Xe films adsorbed on the Ag(111) surface
Pengcheng Dai, Z. Wu, T. Angot, S.-K. Wang, H. Taub, and S. N. Ehrlich
Phys. Rev. B 59, 15464–15479 (1999). (Published on Jun 15th, 1999) [pdf file] [DOI]
The Magnetic Excitation Spectrum and Thermodynamics of High-Tc Superconductors
Pengcheng Dai, H. A. Mook, S. M. Hayden, G. Aeppli, T. G. Perring, R. D. Hunt, and F. Dogan
Science 284, 1344–1347 (1999). (Published on May 21st, 1999) [pdf file] [DOI]
Magnetic correlations and quantum criticality in the insulating antiferromagnetic, insulating spin liquid, renormalized Fermi liquid, and metallic antiferromagnetic phases of the Mott system V2O3
Wei Bao, C. Broholm, G. Aeppli, S. A. Carter, P. Dai, T. F. Rosenbaum, J. M. Honig, P. Metcalf, and S. F. Trevino
Phys. Rev. B 58, 12727–12748 (1998). (Published on Nov 15th, 1998) [pdf file] [DOI]
Localized vibrational modes in metallic solids
V. KEPPENS, D. MANDRUS, B. C. SALES, B. C. CHAKOUMAKOS, P. DAI, R. COLDEA, M. B. MAPLE, D. A. GAJEWSKI, E. J. FREEMAN & S. BENNINGTON
Nature 395, 876–878 (1998). (Published on Oct 29th, 1998) [pdf file] [DOI]
NEURON SCATTERING STUDIES OF THE MAGNETIC FLUCTUATIONS IN YBa2Cu3O7−δ
H. A. Mook, P. Dai, R. D. Hunt and F. Dogan
Journal of Physics and Chemistry of Solids 59, 2140–2144 (1998). (Published on Oct 11th, 1998) [pdf file] [DOI]
Spin fluctuations in YBa2Cu3O6.6
H. A. MOOK, PENGCHENG DAI, S. M. HAYDEN, G. AEPPLI, T. G. PERRING & F. DOGAN
Nature 395, 580–582 (1998). (Published on Oct 8th, 1998) [pdf file] [DOI]
Evolution of the Low-Frequency Spin Dynamics in Ferromagnetic Manganites
J. A. Fernandez-Baca, P. Dai, H. Y. Hwang, C. Kloc, and S-W. Cheong
Phys. Rev. Lett. 80, 4012–4015 (1998). (Published on May 4th, 1998) [pdf file] [DOI]
Neutron-diffraction study of CeCuGa3
J. M. Martin, M. R. Lees, D. McK. Paul, P. Dai, C. Ritter, and Y. J. Bi
Phys. Rev. B 57, 7419–7422 (1998). (Published on Apr 1st, 1998) [pdf file] [DOI]
Incommensurate Magnetic Fluctuations in YBa2Cu3O6.6
Pengcheng Dai, H. A. Mook, and F. Dogan
Phys. Rev. Lett. 80, 1738–1741 (1998). (Published on Feb 23rd, 1998) [pdf file] [DOI]
Reply to comment “Magnetic Dynamics in Underdoped YBa2Cu3O7−x: Direct Observation of a Superconducting gap”
Pengcheng Dai, M. Yethiraj, H. A. Mook, T. B. Lindemer, and F. Dogan
Phys. Rev. Lett. 80, 1794 (1998). (Published on Feb 23rd, 1998) [pdf file] [DOI]
Softening and Broadening of the Zone Boundary Magnons in Pr0.63Sr0.37MnO3
H. Y. Hwang, P. Dai, S-W. Cheong, G. Aeppli, D. A. Tennant, and H. A. Mook
Phys. Rev. Lett. 80, 1316–1319 (1998). (Published on Feb 9th, 1998) [pdf file] [DOI]
Magnetic correlations in a classic Mott system
Wei Bao, C. Broholm, G. Aeppli, S. A. Carter, P. Dai, C. D. Frost, J. M. Honig and P. Metcal
Journal of Magnetism and Magnetic Materials 177–181, 283–286 (1998). (Published on Jan 1st, 1998) [pdf file] [DOI]
Absolute measurements of the high-frequency magnetic dynamics in high-Tc superconductors
S. M. Hayden, G. Aeppli, P. Dai, H. A. Mook, T. G. Perring, S. -W. Cheong, Z. Fisk, F. Dogan, and T. E. Mason
Physica B: Condensed Matter 241–243, 765–772 (1997). (Published on Dec 1st, 1997) [pdf file] [DOI]
Pseudogap and incommensurate magnetic fluctuations in YBa2Cu3O6.6
Pengcheng Dai, H. A. Mook, and F. Dogan
Physica B: Condensed Matter 241–243, 524–527 (1997). (Published on Dec 1st, 1997) [pdf file] [DOI]
Quasielastic neutron scattering and molecular dynamics simulation studies of the melting transition in butane and hexane monolayers adsorbed on graphite
K. W. Herwig, Z. Wu, P. Dai, H. Taub, and F. Y. Hansen
J. Chem. Phys. 107, 5186–5196 (1997). (Published on Oct 1st, 1997) [pdf file] [DOI]
Dramatic Switching of Magnetic Exchange in a Classic Transition Metal Oxide: Evidence for Orbital Ordering
Wei Bao, C. Broholm, G. Aeppli, P. Dai, J. M. Honig, and P. Metcalf
Phys. Rev. Lett. 78, 507–510 (1997). (Published on Jan 20th, 1997) [pdf file] [DOI]
Magnetic Dynamics in Underdoped YBa2Cu3O7−x: Direct Observation of a Superconducting Gap
P. Dai, M. Yethiraj, H. A. Mook, T. B. Lindemer, and F. Dogan
Phys. Rev. Lett. 77, 5425–5428 (1996). (Published on Dec 30th, 1996) [pdf file] [DOI]
The static and dynamic lattice effects in La1−xCaxMnO3
P. Dai, Jiandi Zhang, H. A. Mook, F. Foong, S. -H. Liou, P. A. Dowben, E. W. Plummer
Solid State Communications 100, 865–869 (1996). (Published on Dec 1st, 1996) [pdf file] [DOI]
Experimental evidence for the dynamic Jahn-Teller effect in La0.65Ca0.35MnO3
P. Dai, Jiandi Zhang, H. A. Mook, S. -H. Liou, P. A. Dowben, and E. W. Plummer
Phys. Rev. B 54, R3694–R3697 (1996). (Published on Aug 1st, 1996) [pdf file] [DOI]
Incommensurate One-Dimensional Fluctuations in YBa2Cu3O6.93
H. A. Mook, P. Dai, K. Salama, D. Lee, F. Dogan, G. Aeppli, and A. T. Boothroyd
Phys. Rev. Lett. 77, 370–373 (1996). (Published on Jul 8th, 1996) [pdf file] [DOI]
Fermi- and non-Fermi-liquid ground states in M1−xUxPd3 (M = Sc, Y, La, Pr, Zr, Th) systems
M. B. Maple, D. A. Gajewski, R. Chau, P. Dai, H. A. Mook, R. Movshovich, and C. L. Seaman
Physica B: Condensed Matter 223–224, 447–452 (1996). (Published on Jun 2nd, 1996) [pdf file] [DOI]
Neutron Scattering Studies of Y1−xUxPd3 Compounds
P. Dai, H. A. Mook, C. L. Seaman, M. B. Maple, and J. P. Koster
Phys. Rev. Lett. 75, 1202–1205 (1995). (Published on Aug 7th, 1995) [pdf file] [DOI]
Recent Neutron Scattering Results on High-Temperature Superconductors
H. A. Mook, P. Dai, G. Aeppli, T. E. Mason, N. E. Hecker, J. A. Harvey, T. Armstrong, K. Salama, D. Lee
Physica B: Condensed Matter 213–214, 43–47 (1995). (Published on Aug 1st, 1995) [pdf file] [DOI]
Synthesis and neutron powder diffraction study of the superconductor HgBa2Ca2Cu3O8+δ by Tl substitution
P. Dai, B. C. Chakoumakos, G. F. Sun, K. W. Wong, Y. Xin, D. F. Lu
Physica C: Superconductivity 243, 201–206 (1995). (Published on Mar 1st, 1995) [pdf file] [DOI]
Structural Perfection in Physisorbed Films: A Synchrotron X-Ray Diffraction Study of Xenon Adsorbed on the Ag(111) Surface
P. Dai, T. Angot, S. N. Ehrlich, S.-K. Wang, and H. Taub
Phys. Rev. Lett. 72, 685–688 (1994). (Published on Jan 31st, 1994) [pdf file] [DOI]
Angle Calculations for a Five-Circle Diffractometer used in Surface X-ray Diffraction Experiments
S.-K. Wang, P. Dai, and H. Taub
Journal of Applied Crystallography 26, 697–705 (1993). (Published on Oct 1st, 1993) [pdf file] [DOI]
X-ray-diffraction and scanning-tunneling-microscopy studies of a liquid-crystal film adsorbed on single-crystal graphite
P. Dai, S.-K Wang, H. Taub, J. E. Buckley, S. N. Ehrlich, J. Z. Larese, G. Binnig, and D. P. E. Smith
Phys. Rev. B 47, 7401–7407 (1993). (Published on Mar 15th, 1993) [pdf file] [DOI]
Ultrahigh vacuum chamber for synchrotron x-ray diffraction from films adsorbed on single-crystal surfaces
J. R. Dennison, S.-K. Wang, P. Dai, T. Angot, S. N. Ehrlich, and H. Taub
Rev. Sci. Instrum. 63, 3835–3841 (1992). (Published on Aug 1st, 1992) [pdf file] [DOI]