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凝聚态物性实验
刘畅研究员

办公地点:理工楼710

电子邮箱:liuchang_phy@ruc.edu.cn

电  话: 010-62515302

传  真:0086-10-62517887

研究组主页:

教育经历

2009.92013.7 南京大学物理学院,物理基地班,理学学士

2013.92019.7 清华大学物理系,凝聚态物理专业,理学博士 (导师:王亚愚教授)   

2016.112017.10 麻省理工学院物理系,国家公派联合培养 (导师:Joseph G. Checkelsky教授)  



工作经历

2019.72021.4北京量子信息科学研究院,量子物态科学研究部,助理研究员    

2021.42022.4 北京量子信息科学研究院,量子计算研究部,助理研究员

2022.4 中国人民大学物理系,研究员


研究兴趣

研究对象:低维量子材料,包括但不限于二维材料、磁性材料、拓扑材料

研究方向:

1. 利用低温强磁场中的量子输运手段,研究材料中新奇的拓扑量子物态及相变行为,包括量子反常霍尔效应、轴子绝缘体等;

2. 通过对界面、电场、磁场的调控,探索拓扑量子物态与维度、电荷、自旋、轨道等自由度的耦合;

3. 发展脉冲强磁场下的输运测量手段,研究极端条件下电子物态的演化,寻找可能存在的新的量子基态;

4. 开发新型单晶解理和加工技术,实现高质量的器件制备。


人才培养

每年拟招收硕士或博士研究生1-2名,欢迎本科生加入(感兴趣的同学请与我联系:liuchang_phy@ruc.edu.cn


主要工作和成果

Ø Yaoxin Li*, Chang Liu* (co-author), Yongchao Wang*, Zicheng Lian, Shuai Li, Hao Li, Yang Wu, Haizhou Lu, Jinsong Zhang and Yayu Wang. Giant Nonlocal Edge Conduction in the Axion Insulator State of MnBi2Te4. arXiv:2105.10390.

Ø Shuai Li, Tianyu Liu, Chang Liu, Yayu Wang, Haizhou Lu, and Xincheng Xie, Progress on antiferromagnetic topological insulator MnBi2Te4. National Science Review, 2023: doi.org/10.1093/nsr/nwac296 (invited review)

Ø Weiyan Lin, Yang Feng, Yongchao Wang, Jinjiang Zhu, Zicheng Lian, Huanyu Zhang, Hao Li, Yang Wu, Chang Liu, Yihua Wang, Jinsong Zhang, Yayu Wang, Chui-Zhen Chen, Xiaodong Zhou and Jian Shen. Direct visualization of edge state in even-layer MnBi2Te at zero magnetic field. Nature Communications 2022, 13: 7714.

Ø Weiyan Lin, Yang Feng, Yongchao Wang, Zicheng Lian, Hao Li, Yang Wu, Chang Liu, Yihua Wang, Jinsong Zhang, Yayu Wang, Xiaodong Zhou and Jian Shen. Influences of the dissipative topological edge state on quantized transport in MnBi2Te. Physical Review B 2022, 105: 165411.    

Ø Chang Liu, Yunyi Zang, Yan Gong, Ke He, Xucun Ma, Qi-Kun Xue and Yayu Wang. Ambi-chiral anomalous Hall effect in magnetically doped topological insulators. SCIENCE CHINA Physics, Mechanics & Astronomy 2022, 65: 266812. (invited article)

Ø Yaoxin Li*, Chang Liu* (co-author), Yongchao Wang*, Hao Li, Yang Wu, Jinsong Zhang and Yayu Wang. Gate-tunable magnetoresistance in 6-suptuple-layer MnBi2Te4. Journal of Physics D: Applied Physics 2022, 55: 104001. (invited article)                                        

Ø Chang Liu, Yongchao Wang, Ming Yang, Jiahao Mao, Hao Li, Yaoxin Li, Jiaheng Li, Haipeng Zhu, Junfeng Wang, Liang Li, Yang Wu, Yong Xu, Jingsong Zhang and Yayu Wang. Magnetic-field-induced robust zero Hall Plateau state in MnBi2Te4 Chern insulator. Nature Communications 2021, 12: 4647.

Ø Chang Liu, Yunbo Ou, Yang Feng, Gaoyuan Jiang, Weixiong Wu, Shaorui Li, Zijia Cheng, Ke He, Xucun Ma, Qi-Kun Xue and Yayu Wang. Distinct Quantum Anomalous Hall Ground States Induced by Magnetic Disorders. Physical Review X 2020, 10: 041063.  

Ø Chang Liu, Yongchao Wang, Hao Li, Yang Wu, Yaoxin Li, Jiaheng Li, Ke He, Yong Xu, Jinsong Zhang and Yayu Wang. Robust axion insulator and Chern insulator phases in a two dimensional antiferromagnetic topological insulator. Nature Materials 2020, 19: 522.                                        

Ø Chang Liu, Yunyi Zang, Wei Ruan, Yan Gong, Ke He, Xucun Ma, Qi-Kun Xue and YayuWang. Dimensional Crossover-Induced Topological Hall Effect in a Magnetic Topological Insulator. Physical Review Letters 2017, 119: 176809.      

Ø Yunbo. Ou*, Chang Liu* (co-author), Gaoyuan Jiang, Yang Feng, Dongyang Zhao, WeixiongWu, Xiaoxiao Wang, Wei Li, Canli Song, Lili Wang, Wenbo Wang, Weida Wu, Yayu Wang, Ke He, Xucun Ma and Qi-Kun Xue. Enhancing the Quantum Anomalous Hall Effect by Magnetic Codoping in a Topological Insulator. Advanced Materials 2018, 30:1703062.                                                        

Ø Yunbo Ou*, Chang Liu* (co-author), Liguo Zhang, Yang Feng, Gaoyuan Jiang. DongyangZhao, Yunyi Zang, Qinghua Zhang, Lin Gu, Yayu Wang, Ke He, Xucun Ma and Qi-Kun Xue. Heavily Cr-doped (Bi,Sb)2Te3 as a ferromagnetic insulator with electrically tunable conductivity. APL Materials. 2016, 4: 086101.

Ø Hao Li, Shengsheng Liu, Chang Liu, Jinsong Zhang. Yong Xu, Rong Yu, Yang Wu, Yuegang Zhang and Shoushan Fan. Antiferromagnetic topological insulator MnBi2Te4: synthesis and magnetic properties. Phys. Chem. Chem. Phys. 2020, 22: 556-563

Ø Wenbo Wang, Yunbo Ou, Chang Liu, Yayu Wang, Ke He, Qi-Kun Xue and Weida Wu. Direct evidence of ferromagnetism in a quantum anomalous Hall system. Nature Physics 2018, 14: 791.

Ø Minghua Guo, Zhenyu Wang, Yong Xu, Huaqing Huang, Yunyi Zang, Chang Liu, Wenhui Duan, Zhongxue Gan, Shoucheng Zhang, Ke He, Xucun Ma, Qi-Kun Xue and Yayu Wang. Tuning thermoelectricity in a Bi2Se3 topological insulator via varied film thickness. New Journal of Physics 2016, 18: 015008.

Ø Xiao Feng, Yang Feng, Jing Wang, Yunbo Ou, Zhenqi Hao, Chang Liu, Zuocheng Zhang, Liguo Zhang, Chaojing Lin, Jian Liao, Yongqing Li, Lili Wang, Shuaihua. Ji, Xi Chen, Xucun Ma, Shoucheng Zhang, Yayu Wang, Ke He and Qi-Kun Xue. Thickness Dependence of the Quantum Anomalous Hall Effect in Magnetic Topological Insulator Films. Advanced Materials. 2016, 28: 6386.

Ø Yunbo Ou, Yang Feng, Xiao Feng, Zhenqi Hao, Liguo Zhang, Chang Liu, Yayu Wang, Ke He, Xucun Ma and Qi-Kun Xue. AlOx/LiF composite protection layer for Cr-doped (Bi,Sb)2Te3 quantum anomalous Hall films. Chinese Physical B 2016, 25: 087307.

Ø Yang Feng, Xiao Feng, Yunbo Ou, Jing Wang, Chang Liu, Liguo Zhang, Dongyang Zhao, Gaoyuan Jiang, Shoucheng Zhang, Ke He, Xucun Ma, Qi-Kun Xue and Yayu Wang. Observation of the Zero Hall Plateau in a Quantum Anomalous Hall Insulator. Physical Review Letters 2015, 115: 126801.

Ø Zuocheng Zhang, Yihua Wang, Qi Song, Chang Liu, Rui Peng, K. A. Moler, Donglai Feng and Yayu Wang. Onset of the Meissner effect at 65 K in FeSe thin film grown on Nb-doped SrTiO3 substrate. Science Bulletin 2015, 60: 1301-1304.

Ø Zhu Lin, Chenguang Mei, Linlin Wei, Zhangao Sun, Shilong Wu, Haoliang Huang, Shu Zhang, Chang Liu, Yang Feng, Huanfang Tian, Huaixin Yang, Jianqi Li, Yayu Wang, Guangming Zhang, Yalin Lu and Yonggang Zhao. Quasi-two-dimensional superconductivity in FeSe0.3Te0.7 thin films and electric-field modulation of superconducting transition. Scientific Reports 2015, 5: 14133.



获奖情况

2021中国新锐科技人物卓越影响奖 (2021)

2020年中国百篇最具影响国际学术论文 (2021)

北京市优秀毕业生 (2019)

清华大学物理系吴有训奖 (2019)

清华大学物理系任之恭奖 (2018)

博士研究生国家奖学金 (2017)

清华大学博士新生奖学金 (2013)