PEKING UNIVERSITY
International Center for Quantum Materials
Peng Lab
X-ray spectroscopy on quantum materials

2025

  • In-Plane Anisotropy of Charge Density Wave Fluctuations in 1T−TiSe2
    Xuefei Guo, Anshul Kogar, Jans Henke, Felix Flicker, Fernando de Juan, Stella X.-L. Sun, Issam Khayr, Yingying Peng, Sangjun Lee, Matthew J. Krogstad, Stephan Rosenkranz, Raymond Osborn, Jacob P. C. Ruff, David B. Lioi, Goran Karapetrov, Daniel J. Campbell, Johnpierre Paglione, Jasper van Wezel, Tai C. Chiang, and Peter Abbamonte
    Phys. Rev. Lett. 135, 136102 (2025)
  • Photoinduced Dynamics and Momentum Distribution of Chiral Charge Density Waves in 1⁢T−TiSe2
    Qingzheng Qiu, Sae Hwan Chun, Jaeku Park, Dogeun Jang, Li Yue, Yeongkwan Kim, Yeojin Ahn, Mingi Jho, Kimoon Han, Xinyi Jiang, Qian Xiao, Tao Dong, Jia-Yi Ji, Nanlin Wang, Jeroen van den Brink, Jasper van Wezel, and Yingying Peng
    Phys. Rev. Lett. 135, 116904 (2025)
  • Time-resolved x-ray scattering study on quantum materials
    Xinyi Jiang, Qingzheng Qiu and Yingying Peng
    Chinese Physics B (2025)
  • Topological excitonic insulator with tunable momentum order
    Md Shafayat Hossain, Zi-Jia Cheng, Yu-Xiao Jiang, Tyler A. Cochran, Song-Bo Zhang, Huangyu Wu, Xiaoxiong Liu, Xiquan Zheng, Guangming Cheng, Byunghoon Kim, Qi Zhang, Maksim Litskevich, Junyi Zhang, Jinjin Liu, Jia-Xin Yin, Xian P. Yang, Jonathan D. Denlinger, Massimo Tallarida, Ji Dai, Elio Vescovo, Anil Rajapitamahuni, Nan Yao, Anna Keselman, Yingying Peng, Yugui Yao, Zhiwei Wang, Luis Balicas, Titus Neupert & M. Zahid Hasan
    Nat. Phys. 21, 1250–1259 (2025)
  • The Heisenberg-RIXS instrument at the European XFEL
    J. Schlappa, G. Ghiringhelli, B. E. Van Kuiken, M. Teichmann, P. S. Miedema, J. T. Delitz, N. Gerasimova, S. Molodtsov, L. Adriano, B. Baranasic, C. Broers, R. Carley, P. Gessler, N. Ghodrati, D. Hickin, L. P. Hoang, M. Izquierdo, L. Mercadier, G. Mercurio, S. Parchenko, M. Stupar, Z. Yin, L. Martinelli, G. Merzoni, Y. Y. Peng, T. Reuss, S. Sreekantan Nair Lalithambika, S. Techert, T. Laarmann, S. Huotari, C. Schroeter, B. Langer, T. Giessel, J. Buchheim, G. Gwalt, A. Sokolov, F. Siewert, R. Buechner, V. Vaz da Cruz, S. Eckert, C.-Y. Liu, C. Sohrt, C. Weniger, A. Pietzsch, S. Neppl, F. Senf, A. Scherz and A. Föhlisch
    J.SynchrotronRad. 32,29–45 (2025)
  • Using magnetic dynamics to measure the spin gap in a candidate Kitaev material
    Xinyi Jiang, Qingzheng Qiu, Cheng Peng, Hoyoung Jang, Wenjie Chen, Xianghong Jin, Li Yue, Byungjune Lee, Sang-Youn Park, Minseok Kim, Hyeong-Do Kim, Xinqiang Cai, Qizhi Li, Tao Dong, Nanlin Wang, Joshua J. Turner, Yuan Li, Yao Wang & Yingying Peng
    npj Quantum Mater. 10, 15 (2025)
  • A metallic room-temperature d-wave altermagnet
    Bei Jiang, Mingzhe Hu, Jianli Bai, Ziyin Song, Chao Mu, Gexing Qu, Wan Li, Wenliang Zhu, Hanqi Pi, Zhongxu Wei, Yu-Jie Sun, Yaobo Huang, Xiquan Zheng, Yingying Peng, Lunhua He, Shiliang Li, Jianlin Luo, Zheng Li, Genfu Chen, Hang Li, Hongming Weng & Tian Qian
    Nat. Phys. (2025)

2024

  • Resonant inelastic X-ray scattering study of charge density waves and elementary excitations in cuprate superconductors
    Li Qi-Zhi, Zhang Shi-Long, Peng, Ying-Ying
    Acta Phys. Sin. 73, 197401-1 (2024)
  • Absence of magnetoelastic deformation in the spin-chain compound CuBr2
    Biaoyan Hu, Yingying Peng, Xiaoqiang Liu, Qizhi Li, Qiangqiang Gu, Matthew J. Krogstad, Raymond Osborn, Takashi Honda, Ji Feng, and Yuan Li
    Phys. Rev. B 110, 115142 (2024)
  • Observation of Circular Dichroism Induced by Electronic Chirality
    Qian Xiao, Oleg Janson, Sonia Francoual, Qingzheng Qiu, Qizhi Li, Shilong Zhang, Wu Xie, Pablo Bereciartua, Jeroen van den Brink, Jasper van Wezel, and Yingying Peng
    Phys. Rev. Lett. 133, 126402 (2024)
  • Evolution from a charge-ordered insulator to a high-temperature superconductor in Bi2Sr2(Ca,Dy)Cu2O8+δ
    Changwei Zou, Jaewon Choi, Qizhi Li, Shusen Ye, Chaohui Yin, Mirian Garcia-Fernandez, Stefano Agrestini, Qingzheng Qiu, Xinqiang Cai, Qian Xiao, Xingjiang Zhou, Ke-Jin Zhou, Yayu Wang, Yingying Peng
    Nature Communications 15, 7739 (2024)
  • Emergence of charge order in extremely underdoped Bi2Sr2−xLaxCuO6+δ
    Shilong Zhang, Qizhi Li, Changwei Zou, Hsiao-Yu Huang, Amol Singh, Hongtao Yan, Xingjiang Zhou, Di-Jing Huang, and Yingying Peng
    Phys. Rev. B 110, 125108 (2024)
  • Van Hove annihilation and nematic instability on a kagome lattice
    Yu-Xiao Jiang, Sen Shao, Wei Xia, M Michael Denner, Julian Ingham, Md Shafayat Hossain, Qingzheng Qiu, Xiquan Zheng, Hongyu Chen, Zi-Jia Cheng, Xian P Yang, Byunghoon Kim, Jia-Xin Yin, Songbo Zhang, Maksim Litskevich, Qi Zhang, Tyler A Cochran, Yingying Peng, Guoqing Chang, Yanfeng Guo, Ronny Thomale, Titus Neupert, M Zahid Hasan
    Nature Materials 23, 1214–1221 (2024)
  • A crystal capping layer for formation of black-phase FAPbI3 perovskite in humid air
    Yu Zou, Wenjin Yu, Haoqing Guo, Qizhi Li, Xiangdong Li, Liang Li, Yueli Liu, Hantao Wang, Zhenyu Tang, Shuang Yang, Yanrun Chen, Bo Qu, Yunan Gao, Zhijian Chen, Shufeng Wang, Dongdong Zhang, Yihua Chen, Qi Chen, Shaik M Zakeeruddin, Yingying Peng, Huanping Zhou, Qihuang Gong, Mingyang Wei, Michael Grätzel, Lixin Xiao
    Science 385.6705 (2024): 161-167
  • Observation of van der Waals phonons in the single-layer cuprate (Bi,Pb)2(Sr,La)2CuO6+δ
    Y. Y. Peng, I. Boukahil, K. Krongchon, Q. Xiao, A. A. Husain, Sangjun Lee, Q. Z. Li, A. Alatas, A. H. Said, H. T. Yan, Y. Ding, L. Zhao, X. J. Zhou, T. P. Devereaux, L. K. Wagner, C. D. Pemmaraju, and P. Abbamonte
    Physical Review Materials 8, 024804 (2024)

2023

  • Absence of localized 5d1 electrons in KTaO3 interface superconductors
    Xinqiang Cai, Jungho Kim, Leonardo Martinelli, Piero Florio, Matteo Corti, Weiliang Qiao, Yanqiu Sun, Jiasen Niu, Quentin Faure, Christoph J. Sahle, Qingzheng Qiu, Qian Xiao, Xiquan Zheng, Qizhi Li, Changwei Zou, Xinyi Jiang, Giacomo Ghiringhelli, Wei Han, Yanwu Xie, Yi Lu, Marco Moretti Sala, and Yingying Peng
    Phys. Rev. B 108, 235167 (2023)
  • Prevailing Charge Order in Overdoped La2-xSrxCuO4 beyond the Superconducting Dome
    Qizhi Li, Hsiao-Yu Huang, Tianshuang Ren, Eugen Weschke, Lele Ju, Changwei Zou, Shilong Zhang, Qingzheng Qiu, Jiarui Liu, Shuhan Ding, Amol Singh, Oleksandr Prokhnenko, Di-Jing Huang, Ilya Esterlis, Yao Wang, Yanwu Xie, Yingying Peng
    Phys. Rev. Lett. 131, 116002 (2023)
  • Evolution of charge density waves from three-dimensional to quasi-two-dimensional in Kagome superconductors Cs(V1-xMx)3Sb5 (M = Nb, Ta)
    Qian Xiao, Qizhi Li, Jinjin Liu, Yongkai Li, Wei Xia, Xiquan Zheng, Yanfeng Guo, Zhiwei Wang, and Yingying Peng
    Phys. Rev. Materials 7, 074801 (2023)
  • Evolution of orbital excitations from insulating to superconducting MgTi2O4 films
    Qizhi Li, Abhishek Nag, Xiquan Zheng, Fucong Chen, Jie Yuan, Kui Jin, Yi Lu, Ke-Jin Zhou, Yingying Peng
    Phys. Rev. B 107, L121108 (2023)
  • Coexistence of multiple stacking charge density waves in kagome superconductor CsV3Sb5
    Qian Xiao, Yihao Lin, Qizhi Li, Xiquan Zheng, Sonia Francoual, Christian Plueckthun, Wei Xia, Qingzheng Qiu, Shilong Zhang, Yanfeng Guo, Ji Feng, and Yingying Peng
    Phys. Rev. Research 5, L012032 (2023)
  • Signature of quantum criticality in cuprates by charge density fluctuations
    Riccardo Arpaia, Leonardo Martinelli, M Moretti Sala, Sergio Caprara, Abhishek Nag, Nicholas B Brookes, Pietro Camisa, Qizhi Li, Qiang Gao, Xingjiang Zhou, Mirian Garcia-Fernandez, K-J Zhou, Enrico Schierle, Thilo Bauch, Ying Ying Peng, C Di Castro, M Grilli, Floriana Lombardi, Lucio Braicovich, Giacomo Ghiringhelli
    Nature Communications 14, 7198 (2023)
  • Observation of electronic nematicity driven by three-dimensional charge density wave in kagome lattice KV3Sb5
    Zhicheng Jiang, Haiyang Ma, Wei Xia, Qian Xiao, Zhengtai Liu, Zhonghao Liu, Yichen Yang, Jianyang Ding, Zhe Huang, Jiayu Liu, Yuxi Qiao, Jishan Liu, Yingying Peng, Soohyun Cho, Yanfeng Guo, Jianpeng Liu, Dawei Shen
    Nano Lett. 23, 12, 5625 (2023)
  • Ubiquitous Coexisting Electron-Mode Couplings in High Temperature Cuprate Superconductors
    Hongtao Yan, Jin Mo Bok, Junfeng He, Wentao Zhang, Qiang Gao, Xiangyu Luo, Yongqing Cai, Yingying Peng, Jianqiao Meng, Cong Li, Hao Chen, Chunyao Song, Chaohui Yin, Taimin Miao, Genda Gu, Chengtian Lin, Fengfeng Zhang, Feng Yang, Shenjin Zhang, Qinjun Peng, Guodong Liu, Lin Zhao, Han-Yong Choi, Zuyan Xu, X. J. Zhou
    Proceedings of the National Academy of Sciences, 120 (43) e2219491120 (2023)
  • Tunable Van Hove Singularity without Structural Instability in Kagome Metal CsTi3Bi5
    Bo Liu, Min-Quan Kuang, Yang Luo, Yongkai Li, Cheng Hu, Jiarui Liu, Qian Xiao, Xiquan Zheng, Linwei Huai, Shuting Peng, Zhiyuan Wei, Jianchang Shen, Bingqian Wang, Yu Miao, Xiupeng Sun, Zhipeng Ou, Shengtao Cui, Zhe Sun, Makoto Hashimoto, Donghui Lu, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Luca Moreschini, Alessandra Lanzara, Yao Wang, Yingying Peng, Yugui Yao, Zhiwei Wang, Junfeng He
    Physical Review Letters 131, 026701 (2023)
  • Pressure-induced color change in the lutetium dihydride LuH2
    Pengfei Shan, Ningning Wang, Xiquan Zheng, Qingzheng Qiu, Yingying Peng, Jinguang Cheng
    Chinese Phys. Lett. 40 046101 (2023)

2022

  • Dispersionless orbital excitations in (Li, Fe)OHFeSe superconductors
    Qian Xiao, Wenliang Zhang, Teguh Citra Asmara, Dong Li, Qizhi Li, Shilong Zhang, Yi Tseng, Xiaoli Dong, Yao Wang, Cheng-Chien Chen, Thorsten Schmitt, Yingying Peng
    npj Quantum Materials 7, 80 (2022)
  • Paramagnons and high-temperature superconductivity in mercury-based cuprates
    Lichen Wang, Guanhong He, Zichen Yang, Mirian Garcia-Fernandez, Abhishek Nag, Ke-Jin Zhou, Matteo Minola, Matthieu Le Tacon, Bernhard Keimer, Yingying Peng, Yuan Li
    Nature Communications 13, 3163 (2022)
  • Doping dependence of the electron-phonon coupling in two families of bilayer superconducting cuprates
    Yingying Peng, Leonardo Martinelli, Qizhi Li, Matteo Rossi, Matteo Mitrano, Riccardo Arpaia, Marco Moretti Sala, Qiang Gao, Xuefei Guo, Gabriella Maria De Luca, Andrew Walters, Abhishek Nag, Andi Barbour, Genda Gu, Jonathan Pelliciari, Nicholas B. Brookes, Peter Abbamonte, Marco Salluzzo, Xingjiang Zhou, Ke-Jin Zhou, Valentina Bisogni, Lucio Braicovich, Steven Johnston*, and Giacomo Ghiringhelli
    Phys. Rev. B 105, 115105 (2022)
  • Observation of orbital order in the Van der Waals material 1T-TiSe2
    Yingying Peng, Xuefei Guo, Qian Xiao, Qizhi Li, Jorg Strempfer, Yongseong Choi, Dong Yan, Huixia Luo, Yuqing Huang, Shuang Jia, Oleg Janson, Peter Abbamonte, Jeroen van den Brink, Jasper van Wezel
    Physical Review Research 4, 033053 (2022)
  • Generic character of charge and spin density waves in superconducting cuprates
    Sangjun Lee, Edwin W. Huang, Thomas A. Johnson, Xuefei Guo, Ali A. Husain, Matteo Mitrano, Kannan Lu, Alexander V. Zakrzewski, Gilberto A. de la Pea, Yingying Peng, Hai Huang, Sang-Jun Lee, Hoyoung Jang, Jun-Sik Lee, Young Il Joe, William B. Doriese, Paul Szypryt, Daniel S. Swetz, Songxue Chi, Adam A. Aczel, Gregory J. MacDougall, Steven A. Kivelson, Eduardo Fradkin, and Peter Abbamonte
    Proceedings of the National Academy of Sciences of the United States of America 119 (15) e2119429119 (2022)
  • Incommensurate magnetic orders and topological Hall effect in the square-net centrosymmetric EuGa2Al2 system
    Jaime M. Moya, Shiming Lei, Eleanor M. Clements, Caitlin S. Kengle, Stella Sun, Kevin Allen, Qizhi Li, Y. Y. Peng, Ali A. Husain, Matteo Mitrano, Matthew J. Krogstad, Raymond Osborn, Anand B. Puthirath, Songxue Chi, L. Debeer-Schmitt, J. Gaudet, P. Abbamonte, Jeffrey W. Lynn, and E. Morosan
    Phys. Rev. Materials 6, 074201 (2022)
  • Giant magnetic in-plane anisotropy and competing instabilities in Na3Co2SbO6
    Xintong Li, Yuchen Gu, Yue Chen, V. Ovidiu Garlea, Kazuki Iida, Kazuya Kamazawa, Yangmu Li, Guochu Deng, Qian Xiao, Xiquan Zheng, Zirong Ye, Yingying Peng, I. A. Zaliznyak, J. M. Tranquada, Yuan Li
    Phys. Rev. X 12, 041024 (2022)

2021

  • Strange metal behaviour from charge density fluctuations in cuprates
    Götz Seibold, Riccardo Arpaia, Y. Y. Peng, Roberto Fumagalli, Lucio Braicovich, Carlo Di Castro, Marco Grilli, Giacomo Claudio Ghiringhelli and Sergio Caprara
    Communications Physics 4, 7 (2021)
  • Anomalous charge density wave state evolution and dome-like superconductivity in CuIr2Te4-xSex chalcogenides
    Mebrouka Boubeche, Ningning Wang, Jianping Sun, Pengtao Yang, Lingyong Zeng, Qizhi Li, Yiyi He, Shaojuan Luo, Jinguang Cheng, Y. Y. Peng and Huixia Luo
    Superconductor Science and Technology 34 115003 (2021)

2020

  • Two-dimensional electron systems in perovskite oxide heterostructures: Role of the polarity-induced substitutional defects
    Shih-Chieh Lin, Cheng-Tai Kuo, Yu-Cheng Shao, Yi-De Chuang, Jaap Geessinck, Mark Huijben, Jean-Pascal Rueff, Ismael L. Graff, Giuseppina Conti, Y. Y. Peng, Aaron Bostwick, Eli Rotenberg, Eric Gullikson, Slavomír Nemšák, Arturas Vailionis, Nicolas Gauquelin, Johan Verbeeck, Giacomo Ghiringhelli, Claus M. Schneider, and Charles S. Fadley
    Phys. Rev. Materials 4, 115002 (2020)
  • Enhanced Electron-Phonon Coupling for Charge-Density-Wave Formation in La1.8−xEu0.2SrxCuO4+δ
    Y. Y. Peng, A. A. Husain, M. Mitrano, S. X.-L. Sun, T. A. Johnson, A. V. Zakrzewski, G. J. MacDougall, A. Barbour, I. Jarrige, V. Bisogni, and P. Abbamonte
    Physical Review Letters 125, 097002 (2020)
  • Large Polarons as Key Quasiparticles in SrTiO3 and SrTiO3-Based Heterostructures
    A. Geondzhian, A. Sambri, G. M. De Luca, R. Di Capua, E. Di Gennaro, D. Betto, M. Rossi, Y. Y. Peng, R. Fumagalli, N. B. Brookes, L. Braicovich, K. Gilmore, G. Ghiringhelli, and M. Salluzzo
    Physical Review Letters 125, 126401 (2020)
  • Determining the electron-phonon coupling in superconducting cuprates by resonant inelastic x-ray scattering: Methods and results on Nd1+xBa2−xCu3O7−δ
    L. Braicovich, M. Rossi, R. Fumagalli, Y. Y. Peng, Y. Wang, R. Arpaia, D. Betto, G. M. De Luca, D. Di Castro, K. Kummer, M. Moretti Sala, M. Pagetti, G. Balestrino, N. B. Brookes, M. Salluzzo, S. Johnston, J. van den Brink, and G. Ghiringhelli
    Physical Review Research 2, 023231 (2020).

2019

  • Polarization-resolved Cu L3-edge resonant inelastic x-ray scattering of orbital and spin excitations in NdBa2Cu3O7−δ
    R. Fumagalli, L. Braicovich, M. Minola, Y. Y. Peng, K. Kummer, D. Betto, M. Rossi, E. Lefrançois, C. Morawe, M. Salluzzo, H. Suzuki, F. Yakhou, M. Le Tacon, B. Keimer, N. B. Brookes, M. Moretti Sala, G. Ghiringhelli
    Physical Review B 99, 134517 (2019)
  • Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor
    R. Arpaia, S. Caprara, R. Fumagalli, G. De Vecchi, Y. Y. Peng, E. Andersson, D. Betto, G.M. De Luca, N.B. Brookes, F. Lombardi, M. Salluzzo, L. Braicovich, C. Di Castro, M. Grilli, G. Ghiringhelli
    Science 365, 906 (2019)

2018

  • Probing the energy gap of high-temperature cuprate superconductors by resonant inelastic x-ray scattering
    H. Suzuki, M. Minola, Y. Lu, Y. Y. Peng, R. Fumagalli, E. Lefrançois, T. Loew, Juan Porras, K. Kummer, D. Betto, S. Ishida, H. Eisaki, C. Hu, X. J. Zhou, M. W. Haverkort, N. B. Brookes, L. Braicovich, G. Ghiringhelli, M. Le Tacon & B. Keimer
    npj Quantum Materials 3, 65 (2018)
  • Dispersions, damping and intensity of spin excitations in one family of copper-oxide superconductor
    Y. Y. Peng, E. W. Huang, R. Fumagalli, M. Minola, Y. Wang, X. Sun, Y. Ding, K. Kummer, X. J. Zhou, N. B. Brookes, B. Moritz, L. Braicovich, T. P. Devereaux, and G. Ghiringhelli
    Physical Review B 98, 144507 (2018)
  • Re-entrant charge order in overdoped (Bi,Pb)2.12Sr1.88CuO6+δ outside the pseudogap regime
    Y. Y. Peng, R. Fumagalli, Y. Ding, M. Minola, S. Caprara, D. Betto, G. M. De Luca, K. Kummer, E. Lefrançois, M. Salluzzo, H. Suzuki, M. Le Tacon, X. J. Zhou, N. B. Brookes, B. Keimer, L. Braicovich, M. Grilli, G. Ghiringhelli
    Nature Materials 17, 697 (2018)
  • Three-dimensional collective charge excitations in electron-doped copper oxide superconductors
    M. Hepting, L. Chaix, E. W. Huang, R. Fumagalli, Y. Y. Peng, B. Moritz, K. Kummer, N. B. Brookes, W. C. Lee, M. Hashimoto, T. Sarkar, J. F. He, C. R. Rotundu, Y. S. Lee, R. L. Greene, L. Braicovich, G. Ghiringhelli, Z. X. Shen, T. P. Devereaux, and W. S. Lee
    Nature 563, 374 (2018)
  • Depth-resolved resonant inelastic x-ray scattering at a superconductor/half-metallic-ferromagnet interface through standing wave excitation
    C.-T. Kuo, S.-C. Lin, G. Ghiringhelli, Y. Y. Peng, G. Maria De Luca, D. Di Castro, D. Betto, M. Gehlmann, T. Wijnands, M. Huijben, J. Meyer-Ilse, E. Gullikson, J. B. Kortright, A. Vailionis, N. Gauquelin, J. Verbeeck, T. Gerber, G. Balestrino, N. B. Brookes, L. Braicovich, and C. S. Fadley
    Physical Review B 98, 235146 (2018)

2017

  • Influence of apical oxygen on the extent of in-plane exchange interaction in cuprate superconductors
    Y. Y. Peng, G. Dellea, M. Minola, M. Conni, A. Amorese, D. Di Castro, G. M. De Luca, K. Kummer, M. Salluzzo, X. Sun, X. J. Zhou, G. Balestrino, M. Le Tacon, B. Keimer, L. Braicovich, N. B. Brookes, G. Ghiringhelli
    Nature Physics 13, 1201–1206 (2017)
  • Dispersive charge density wave excitations in Bi2Sr2CaCu2O8+δ
    L. Chaix, G. Ghiringhelli, Y. Y. Peng, M. Hashimoto, B. Moritz, K. Kummer, N. B. Brookes, Y. He, S. Chen, S. Ishida, Y. Yoshida, H. Eisaki, M. Salluzzo, L. Braicovich, Z.-X. Shen, T. P. Devereaux, W.-S. Lee
    Nature Physics 13, 952–956 (2017)
  • Sharp Crossover from Collective to Incoherent Spin Excitations in Superconducting Cuprates Probed by Detuned Resonant Inelastic X-ray Scattering
    M. Minola, Y. Lu, Y. Y. Peng, G. Dellea, H. Gretarsson, M. W. Haverkort, Y. Ding, X. Sun, X. J. Zhou, D. C. Peets, L. Chauviere, P. Dosanjh, D. A. Bonn, R. Liang, A. Damascelli, M. Dantz, X. Lu, T. Schmitt, L. Braicovich, G. Ghiringhelli, B. Keimer, and M. Le Tacon
    Physical Review Letters 119, 097001 (2017)
  • High-temperature charge density wave correlations in La1.875Ba0.125CuO4 without spin–charge locking
    H. Miao, J. Lorenzana, G. Seibold, Y. Y. Peng, A. Amorese, F. Yakhou-Harris, K. Kummer, N. B. Brookes, R. M. Konik, V. Thampy, G. D. Gu, G. Ghiringhelli, L. Braicovich, and M. P. M. Dean
    Proc. Natl. Acad. Sci. USA 114, 12430 (2017)
  • Three-dimensional dispersion of spin waves measured in NiO by resonant inelastic x-ray scattering
    D. Betto, Y. Y. Peng, S. B. Porter, G. Berti, A. Calloni, G. Ghiringhelli, and N. B. Brookes
    Phys. Rev. B 96, 020409(R) (2017)

2016

  • Direct observation of charge order in underdoped and optimally doped Bi2(Sr,La)2CuO6+δ by resonant inelastic x-ray scattering
    Y. Y. Peng, M. Salluzzo, X. Sun, A. Ponti, D. Betto, A. M. Ferretti, F. Fumagalli, K. Kummer, M. Le Tacon, X. J. Zhou, N. B. Brookes, L. Braicovich, and G. Ghiringhelli
    Physical Review B 94, 184511 (2016)
  • Visualizing the evolution from the Mott insulator to a charge-ordered insulator in lightly doped cuprates
    P. Cai, W. Ruan, Y. Y. Peng, C. Ye, X. T. Li, Z. Q. Hao, X. J. Zhou, D.-H. Lee, and Y. Y. Wang
    Nature Physics 12, 1047 (2016)
  • Relationship between the parent charge transfer gap and maximum transition temperature in cuprates
    W. Ruan, C. Hu, J. F. Zhao, P. Cai, Y. Y. Peng, C. Ye, R. Z. Yu, X. T. Li, Z. Q. Hao, C. Q. Jin, X. J. Zhou, Z.-Y. Weng, Y. Y. Wang
    Science Bulletin 61, 1826 (2016)

2015

  • Magnetic excitations and phonons simultaneously studied by resonant inelastic x-ray scattering in optimally doped Bi1.5Pb0.55Sr1.6La0.4CuO6
    Y. Y. Peng, M. Hashimoto, M. Moretti Sala, A. Amorese, N. B. Brookes, G. Dellea, W.-S. Lee, M. Minola, T. Schmitt, Y. Yoshida, K.-J. Zhou, H. Eisaki, T. P. Devereaux, Z.-X. Shen, L. Braicovich, and G. Ghiringhelli
    Physical Review B 92, 064517 (2015)
  • Collective nature of spin excitations in superconducting cuprates probed by resonant inelastic x-ray scattering
    M. Minola, G. Dellea, H. Gretarsson, Y. Y. Peng, Y. Lu, J. Porras, T. Loew, F. Yakhou, N. B. Brookes, Y. B. Huang, J. Pelliciari, T. Schmitt, G. Ghiringhelli, B. Keimer, L. Braicovich, and M. Le Tacon
    Physical Review Letters 114, 217003 (2015)
  • Anomalous High-Energy Waterfall-Like Electronic Structure in 5d Transition Metal Oxide Sr2IrO4 with a Strong Spin-Orbit Coupling
    Y. Liu, L. Yu, X. W. Jia, J. Z. Zhao, H. M. Weng, Y. Y. Peng, C. Y Chen, Z. J. Xie, D. X. Mou, J. F. He, X. Liu, Y. Feng, H. M. Yi, L. Zhao, G. D. Liu, S. L. He, X. L. Dong, J. Zhang, Z. Y. Xu, C. T. Chen, G. Cao, X. Dai, Z. Fang, and X. J. Zhou
    Scientific Reports 5, 13036 (2015)

2014

  • Electronic Evidence of an Insulator-Superconductor Transition in Single-Layer FeSe/SrTiO3 Films
    J. F. He, X. Liu, W. H. Zhang, L. Zhao, D. F. Liu, S. L. He, D. X. Mou, F. S. Li, C. J. Tang, Z. Li, L. L. Wang, Y. Y. Peng, Y. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou
    Proceedings of the National Academy of Sciences 111.52, 18501-18502 (2014)
  • Dichotomy of Electronic Structure and Superconductivity between Single-Layer and Double-Layer FeSe/SrTiO3 Films
    X. Liu, D. F. Liu, W. H. Zhang, J. F. He, L. Zhao, S. L. He, D. X. Mou, F. S. Li, C. J. Tang, Z. Li, L. L. Wang, Y. Y. Peng, Y. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou
    Nature Communications 5, 5047 (2014)
  • Evidence of Topological Surface State in Three-Dimensional Dirac Semimetal Cd3As2
    H. M. Yi, Z. J. Wang, C. Y. Chen, Y. G. Shi, Y. Feng, A. J. Liang, Z. J. Xie, S. L. He, J. F. He, Y. Y. Peng, X. Liu, Y. Liu, L. Zhao, G. D. Liu, X. L. Dong, J. Zhang, M. Nakatake, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, Z. Y. Xu, C. T. Chen, X. Dai, Z. Fang, and X. J. Zhou
    Scientific Reports 4, 6106 (2014)
  • Strong Anisotropy of Dirac Cones in SrMnBi2 and CaMnBi2 Revealed by Angle-Resolved Photoemission Spectroscopy
    Y. Feng, Z. J. Wang, C. Y. Chen, Y. G. Shi, Z. J. Xie, H. M. Yi, A. J. Liang, S. L. He, J. F. He, Y. Y. Peng, X. Liu, Y. Liu, L.Zhao, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Dai, Z. Fang, and X. J. Zhou
    Scientific Reports 4, 5385 (2014)
  • Orbital-selective spin texture and its manipulation in a topological insulator
    Z. J. Xie, S. L. He, C. Y. Chen, Y. Feng, H. M. Yi, A. J. Liang, L. Zhao, D. X. Mou, J. F. He, Y. Y. Peng, X. Liu, Y. Liu, G. D. Liu, X. L. Dong, L. Yu, J. Zhang, S. J. Zhang, Z. M. Wang, F. F. Zhang, F. Yang, Q. J. Peng, X. Y. Wang, C. T. Chen, Z. Y. Xu and X. J. Zhou
    Nature Communications 5, 3382 (2014)

2013

  • Disappearance of Nodal Gap across the Insulator-Superconductor Transition in a Copper-Oxide Superconductor
    Y. Y. Peng, J. Q. Meng, D. X. Mou, J. F. He, L. Zhao, Y. Wu, G. D. Liu, X. L. Dong, S. L. He, J. Zhang, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, C. T. Chen, Z. Y. Xu, T. K. Lee, X. J. Zhou
    Nature Communications, 4, 2459 (2013)
  • Compositional Evolution of the Anti-phase Stripe Superstructure in Bi2Sr2-xLaxCuO6 (0<x≤1.1) Revealed by Transmission Electron Microscopy
    Z. Chen, Y. Y. Peng, Z. Wang, Y. J. Song, J. Q. Meng, X. J. Zhou, J. Q. Li
    Supercond. Sci. Technol. 26, 055010 (2013)
  • Doping Evolution of Nodal Band Renormalization in Bi2Sr2CuO6+δ Superconductor Revealed by Laser-Based Angle-Resolved Photoemission Spectroscopy
    Y. Y. Peng, J. Q. Meng, L. Zhao, Y. Liu, D. X. Mou, J. F. He, G. D. Liu, X. L. Dong, S. L. He, J. Zhang, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, C. T. Chen, Z. Y. Xu, X. J. Zhou
    Chin. Phys. Lett. 30, 067402 (2013)
  • Coexistence of Two Sharp-Mode Couplings and Their Unusual Momentum Dependence in the Superconducting State of Bi2Sr2CaCu2O8 Superconductor Revealed by Laser-Based Angle-Resolved Photoemission
    J. F. He, W. T. Zhang, J. M. Bok, D. X. Mou, L. Zhao, Y. Y. Peng, S. L. He, G. D. Liu, X. L. Dong, J. Zhang, J. S. Wen, Z. J. Xu, G. D. Gu, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, C. T. Chen, Z. Y. Xu, H.-Y. Choi, C. M. Varma and X.J.Zhou
    Phys. Rev. Lett. 111, 107005 (2013)
  • Phase diagram and electronic indication of high-temperature superconductivity at 65 K in single-layer FeSe films
    S. L. He, J. F. He, W. H. Zhang, L. Zhao, D. F. Liu, X. Liu, D. X. Mou, Y. B. Ou, Q. Y. Wang, Z. Li, L. L. Wang, Y. Y. Peng, Y. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, X. Chen, X. C. Ma, Q. K. Xue, and X. J. Zhou
    Nature Materials, 3648 (2013)
  • Tunable Dirac Fermion Dynamics in Topological Insulators
    C. Y. Chen, Z. J. Xie, Y. Feng, H. M. Yi, A. J. Liang, S. L. He, D. X. Mou, J. F. He, Y. Y. Peng, X. Liu, Y. Liu, L. Zhao, G. D. Liu, X. L. Dong, J. Zhang, L. Yu, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, C. T. Chen, Z. Y. Xu and X. J. Zhou
    Scientific Reports 3, 2411 (2013)

2012

  • Electronic origin of high-temperature superconductivity in single-layer FeSe superconductor
    D. F. Liu, W. H. Zhang, D. X. Mou, J. F. He, Y. B. Ou, Q. Y. Wang, Z. Li, L. L. Wang, L. Zhao, S. L. He, Y. Y. Peng, X. Liu, C. Y. Chen, L. Yu, G. D. Liu, X. L. Dong, J. Zhang, C. T. Chen, Z. Y. Xu, J. P. Hu, X. Chen, X. C. Ma, Q. K. Xue, X. J. Zhou
    Nature Communications 3, 931 (2012)
  • Robustness of topological order and formation of quantum well states in topological insulators exposed to ambient environment
    C. Y. Chen, S. L. He, H. M.Weng, W. T. Zhang, L. Zhao, H. Y. Liu, X. W. Jia, D. X. Mou, S. Y. Liu, J. F. He, Y. Y. Peng, Y. Feng, Z. J. Xie, G. D. Liu, X. L. Dong, J. Zhang, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, C. T. Chen, Z. Y. Xu, X. Dai, Z. Fang, X. J. Zhou
    Proceedings of the National Academy of Sciences 109, 3694-3698 (2012)
  • Extraction of normal electron self-energy and pairing self-energy in the superconducting state of the Bi2Sr2CaCu2O8 superconductor via laser-based angle-resolved photoemission
    W. T. Zhang, J. M. Bok, J. H. Yun, J. F. He, G. D. Liu, L. Zhao, H. Y. Liu, J. Q. Meng, X. W. Jia, Y. Y. Peng, D. X. Mou, S. Y. Liu, L. Yu, S. L. He, X. L. Dong, J. Zhang, J. S.Wen, Z. J. Xu, G. D. Gu, G. L. Wang, Y. Zhu, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, C. T. Chen, Z. Y. Xu, H.-Y. Choi, C. M. Varma, and X. J. Zhou
    Phys. Rev. B 85, 064514 (2012)
  • Fermi surface sheet-dependent band splitting in Sr2RuO4 revealed by high-resolution angle-resolved photoemission spectroscopy
    S. Y. Liu, H. M. Weng, D. X. Mou, W. T. Zhang, Q. S. Wu, J. F. He, G. D. Liu, L. Zhao, H. Y. Liu, X. W.Jia, Y. Y. Peng, S. L. He, X. L. Dong, J. Zhang, Z. Q. Mao, C. T. Chen, Z. Y. Xu, X. Dai, Z. Fang, and X. J. Zhou
    Phys. Rev. B 86, 165112 (2012)

2011

  • Distinct Fermi Surface Topology and Nodeless Superconducting Gap in (Tl0.58Rb0.42)Fe1.72Se2 Superconductor
    D. X. Mou, S. Y. Liu, X. W. Jia, J. F. He, Y. Y. Peng, L. Zhao, L.Yu, G. D. Liu, S. L. He, X. L. Dong, J. Zhang, H. D. Wang, C. H. Dong, M. H. Fang, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, Z. Y. Xu, C. T. Chen, X. J. Zhou
    Phys. Rev. Lett. 106, 107001 (2011)
  • Common Fermi Surface Topology and Nodeless Superconducting Gap in K0.68Fe1.79Se2 and (Tl0.45K0.34)Fe1.84Se2 Superconductors Revealed from Angle-Resolved Photoemission Spectroscopy
    L. Zhao, D. X. Mou, S. Y. Liu, X. W. Jia, J. F. He, Y. Y. Peng, L. Yu, X. Liu, G. D. Liu, S. L. He, X. L. Dong, J. Zhang, J. B. He, D. M. Wang, G. F. Chen, J. G. Guo, X. L. Chen, X. Y. Wang, Q. J. Peng, Z. M. Wang, S. J. Zhang, F. Yang, Z. Y. Xu, C. T. Chen, X. J. Zhou
    Phys. Rev. B 83, 140508(R) (2011)

2010

  • Unusual Electronic Structure and Observation of Dispersion Kink in CeFeAsO Parent Compound of FeAs-based Superconductors
    H. Y. Liu, G. F. Chen, W. T. Zhang, L. Zhao, G. D. Liu, T.-L. Xia, X. W. Jia, D. X. Mu, S. Y. Liu, S. L. He, Y. Y. Peng, J. F. He, Z. Y. Chen, X. L. Dong, J. Zhang, G. L. Wang, Y. Zhu, Z. Y. Xu, C. T. Chen, X. J. Zhou
    Phys. Rev. Lett. 105, 027001 (2010)