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Faculty

YANG Lexian, Associate Professor

Department of Physics, Tsinghua University

Science Building

Beijing 100084

Tel：86-10-62792385

Fax：86-10-62781604

Email：lxyang@tsinghua.edu.cn

Website：http://info.phys.tsinghua.edu.cn/YangLX/

Bibliography

Education：

2002/09-2006/07 Physics department, Fudan University B. Sc.

2006/09-2011/06 Physics department, Fudan University Ph. D.

Research Experience：

2018/12-present: Department of Physics,Tsinghua University, Associate Professor

2016/06-2018/12: Department of Physics,Tsinghua University, Assistant Professor

2014/06-2016/06: Tsinghua University, "Peng Huanwu Post-doctor"

2015.01-2015.05: Advanced Light Source, Visitor scholar

2011/10-2014.06: Kiel University, Post-doctor with Humboldt Fellowship

Teaching

College Physics

Research

Understanding the intriguing properties of quantum materials has long been the frontier of condensed matter physics. Driven by the emergent properties of quantum materials and their application potential, we are devoted in exploring the electronic structures of quantum materials, including topological quantum materials (TQMs), strongly correlated electronic materials, low-dimensional quantum materials, and unconventional superconductivity, using advanced photoemission spectroscopy.

We plan to recruit highly-motivated undergraduates, PhD students and postdocs every year. Please contact Prof. Yang (lxyang@tsinghua.edu.cn) for details.

Awards

Excellence Teaching Award in Physics Department (2019, 2022)

Outstanding Post-doctor in Tsinghua University (2016)

Second Prize of National Natural Science Award (co-winner) (2015)

100 Most Influential International Academic Papers in China (2015)

Humboldt Fellowship (2012-2013)

Selected Publications

*: Corresponding author/Co-corresponding author, #: First author/Co-first author

1、Runzhe Xu, Lixuan Xu, Zhongkai Liu*, L. X. Yang*, Yulin Chen*

ARPES investigation of the electronic structure and its evolution in magnetic topological insulator MnBi_2+2nTe_4+3n family.

National Science Review, 11, nwad313 (2024).

2、Wenxuan Zhao, Ming Yang, Runzhe Xu, Xian Du, Yidian Li, Kaiyi Zhai, Cheng Peng, Ding Pei, Han Gao, Yiwei Li, Lixuan Xu, Junfeng Han, Yuan Huang, Zhongkai Liu, Yugui Yao, Jincheng Zhuang, Yi Du*, Jinjian Zhou*, Yulin Chen* and L. X. Yang*

Topological electronic structure and spin texture of quasi-one-dimensional higher-order topological insulator Bi₄Br₄.

Nature Communications, 14:8089 (2023).

3、R. Z. Xu, X. Du, J. S. Zhou, X. Gu, Q. Q. Zhang, Y. D. Li, W. X. Zhao, F. W. Zheng, M. Arita, K. Shimada, T. K. Kim, C. Cacho, Y. F. Guo, Z. K. Liu, Y. L. Chen*, and L. X. Yang*

Orbital-selective charge-density wave in TaTe₄.

npj Quantum Materials, 8:44 (2023).

4、Jingyuan Zhong, Ming Yang, Zhijian Shi, Yaqi Li, Dan Mu, Yundan Liu, Ningyan Cheng, Wenxuan Zhao, Weichang Hao, Jianfeng Wang, Lexian Yang*, Jincheng Zhuang*, and Yi Du*

Towards layer-selective quantum spin hall channels in weak topological insulator Bi₄Br₂I₂.

Nature Communications, 14:4964 (2023).

5、J. S. Zhou, R. Z. Xu, X. Q. Yu, F. J. Cheng, W. X. Zhao, X. Du, S. Z. Wang, Q. Q. Zhang, X. Gu, S. M. He, Y. D. Li, M. Q. Ren, X. C. Ma, Q. K. Xue, Y. L. Chen*, C. L. Song, and L. X. Yang*

Evidence for Band Renormalizations in Strong-Coupling Superconducting Alkali-Fulleride Films.

Physical Review Letters, 130, 216004 (2023).

6、Q. Q. Zhang, Y. Shi, K. Y. Zhai, W. X. Zhao, X. Du, J. S. Zhou, X. Gu, R. Z. Xu, Y. D. Li, Y. F. Guo, Z. K. Liu, C. Chen, S.-K. Mo, T. K. Kim, C. Cacho, J. W. Yu, W. Li, Y. L. Chen*, Jiun-Haw Chu*, and L. X. Yang*

Thermal hysteretic behavior and negative magnetoresistance in the charge density wave material EuTe₄.

Physical Review B, 107, 115141 (2023).

7、X. Du, L. Kang, Y. Y. Lv, J. S. Zhou, X. Gu, R. Z. Xu, Q. Q. Zhang, Z. X. Yin, W. X. Zhao, Y. D. Li, S. M. He, D. Pei, Y. B. Chen, M. X. Wang, Z. K. Liu, Y. L. Chen*, L X. Yang*.

Crossed Luttinger Liquid Hidden in a Quasi-two-dimensional Material h-Mo₄O₁₁.

Nature Physics, 19, 40 (2023).

8、Runzhe Xu, Yunhe Bai, Jingsong Zhou, Jiaheng Li, Xu Gu, Na Qin, Zhongxu Yin, Xian Du, Qinqin Zhang, Wenxuan Zhao, Yidian Li, Yang Wu, Cui Ding, Lili Wang, Aiji Liang, Zhongkai Liu, Yong Xu, Xiao Feng, Ke He, Yulin Chen*, and Lexian Yang*.

Evolution of the Electronic Structure of Ultrathin MnBi₂Te₄ Films.

Nano Letters 22, 6320-6327 (2022).

9、X. Gu, C. Chen, W. S. Wei, L. L. Gao, J. Y. Liu, X. Du, D. Pei, J. S. Zhou, R. Z. Xu, Z. X. Yin, W. X. Zhao, Y. D. Li, C. Jozwiak, A. Bostwick, E. Rotenberg, D. Backes, L. S. I. Veiga, S. Dhesi, T. Hesjedal, G. van der Laan, H. F. Du, W. J. Jiang, Y. P. Qi, G. Li, W. J. Shi, Z. K. Liu, Y.L. Chen*, and L. X. Yang*.

Robust kagome electronic structure in the topological quantum magnets XMn₆Sn₆ (X = Dy, Tb, Gd, Y).

Physical Review B 105, 155108 (2022).

10、L. Kang, X. Du, J. S. Zhou, X. Gu, Y. J. Chen, R. Z. Xu, Q. Q. Zhang, S. C. Sun, Z. X. Yin, Y. W. Li, D. Pei, J. Zhang, R. K. Gu, Z. G. Wang, Z. K. Liu, R. Xiong, J. Shi, Y. Zhang, Y. L. Chen* & L. X. Yang*.

Band-selective Holstein polaron in Luttinger liquid material A_0.3MoO₃ (A = K, Rb).

Nature Communications 12, 6183 (2021).

11、Y. W. Li, H. J. Zheng, Y. Q. Fang, D. Q. Zhang, Y. J. Chen, C. Chen, A. J. Liang, W. J. Shi, D. Pei, L. X. Xu, S. Liu, J. Pan, D. H. Lu, M. Hashimoto, A. Barinov, S. W. Jung, C. Cacho, M. X. Wang, Y. He, L. Fu, H. J. Zhang*, F. Q. Huang*, L. X. Yang*, Z. K. Liu*, and Y. L. Chen*.

Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS₂.

Nature Communications 12, 2874 (2021).

12、L. X. Yang^#*, G. Rohde, K. Hanff, A. Stange, R. Xiong, J. Shi, M. Bauer, and K. Rossnag

Bypassing the structural bottleneck in the ultrafast melting of electronic order.

Physical Review Letter 125, 266402 (2020).

13、Shucui Sun, Yiwei Li, Yujie Chen, Xiang Xu, Lu Kang, Jingsong Zhou, Wei Xia, Shuai Liu, Meixiao Wang, Juan Jiang, Aiji Liang, Ding Pei, Kunpeng Zhao, Pengfei Qi, Xun Shi, Lidong Chen, Yanfeng Guo, Zhengguo Wang, Yan Zhang, Zhongkai Liu, Lexian Yang* and Yulin Chen*.

Electronic origin for the enhanced thermoelectric efficiency of Cu₂Se.

Science Bulletin 65, 1888 (2020).

14、X. Xu, Y. W. Li, S. R. Duan, S. L. Zhang, Y. J. Chen, L. Kang, A. J. Liang, C. Chen, W. Xia, Y. Xu, P. Malinowski, X. D. Xu, J.-H. Chu, G. Li, Y. F. Guo, Z. K. Liu, L. X. Yang*, and Y. L. Chen*.

Signature for non-Stoner ferromagnetism in the van der Waals ferromagnet Fe₃GeTe₂.
Physical Review B 101, 201104(R) (2020).

15、Yujie Chen, Xu Gu, Yiwei Li, Xian Du, Lexian Yang*, and Yulin Chen*.

Recent advances in topological quantum materials by angle-resolved photoemission spectroscopy.
Matter 3, 1114 (2020).

16、Y. J. Chen, L. X. Xu, J. H. Li, Y. W. Li, C. F. Zhang, H. Li, Y. Wu, A. J. Liang, C. Chen, S. W. Jung, C. Cacho, H. Y. Wang, Y. H. Mao, S. Liu, M. X. Wang, Y. F. Guo, Y. Xu, Z. K. Liu*, L. X. Yang*, and Y. L. Chen*

Topological Electronic Structure and Its Temperature Evolution in Antiferromagnetic Topological Insulator MnBi₂Te₄.

Physical Review X 9, 041040 (2019)

17、H. F. Yang^#, L. X. Yang^#, Z. K. Liu^#, Y. Sun^#, C. Chen, H. Peng, M. Schmidt, D. Prabhakaran, B. A. Bernevig, C. Felser, B. H. Yan and Y. L. Chen.

Topological Lifshitz Transitions and Fermi Arc Manipulation in Weyl Semimetal NbAs.
Nature Communications 10, 3478 (2019).

18、Z. K. Liu^#, L. X. Yang^#, Y. Sun^#, T. Zhang, H. Peng, H. F. Yang, C. Chen, Y. Zhang, Y. F. Guo, D. Prabhakaran, M. Schmidt, Z. Hussain, S.-K. Mo, C. Felser, B. Yan & Y. L. Chen.

Evolution of the Fermi surface of Weyl semimetals in the transition metal pnictide family.

Nature Materials 15, 27 (2016).

19、L. X. Yang^#, Z.K. Liu^#, Y. Sun^#, H. Peng, H. F. Yang, T. Zhang, B. Zhou, Y. Zhang, Y. F. Guo, M. Rahn, D. Prabhakaran, Z. Hussain, S-K Mo, C. Felser, B. Yan, Y. L. Chen.

Weyl semimetal phase in the non-centrosymmetric compound TaAs.

Nature physics 11, 728 (2015).

20、L. X. Yang^#*, G. Rohde, T. Rohwer, A. Stange, K. Hanff, C. Sohrt, L. Rettig, R. Cortés, F. Chen, D. L. Feng, T. Wolf, B. Kamble, I. Eremin, T. Popmintchev, M. M. Murnane, H. C. Kapteyn, L. Kipp, J. Fink, M. Bauer, U. Bovensiepen, and K. Rossnagel.

Ultrafast modulation of the chemical potential in BaFe₂As₂ by coherent phonons.

Physical Review Letters 112, 207001 (2014).

21、L. X. Yang^#, Y. Zhang, H. W. Ou, J. F. Zhao, D. W. Shen, B. Zhou, J. Wei, F. Chen, M. Xu, C. He, Y. Chen, Z. D. Wang, X. F. Wang, T. Wu, G. Wu, X. H. Chen, M. Arita, K. Shimada, M. Taniguchi, Z. Y. Lu, T. Xiang, D. L. Feng.

Electronic Structure and Unusual Exchange Splitting in the Spin-Density-Wave State of the BaFe₂As₂ Parent Compound of Iron-Based Superconductors.

Physical Review Letters 102, 107002 (2009).