何庆林

 

量子材料科学中心研究员，助理教授，博士生导师

 

何庆林

北京大学量子材料中心研究员，助理教授，博士生导师

 

联系方式：

办公室: Physics Building W548,.物理楼西548

邮箱: qlhe(at)pku.edu.cn

 

教育与工作经历：

本科：中山大学，2007.9-2011.6；

博士：香港科技大学，2011.9-2015.1；

博士后：加州大学-洛杉矶分校，2015.3-2018.4;

2018年5月起担任北京大学物理学院量子材料科学中心研究员，助理教授，博士生导师。

 

主要研究方向：

  • 分子束外延（MBE）量子材料、金属、半导体薄膜、纳米结构，包括量子点、纳米线等；
  • 拓扑（晶体）绝缘体；
  • 拓扑超导体与马约拉纳费米子；
  • 反铁磁自旋电子器件。

 

代表性论文包括：

  1. Y. Huang, Y. Fu, P. Zhang, K. L. Wang and Q. L. He, “Inducing superconductivity in quantum anomalous Hall regime”, J. Phys.: Condens. Matter 36 (2024) 37LT01.
  2. H. Sun, Y. Liu, D. Huang, Y. Fu, Y. Huang, M. He, X. Luo, W. Song, Y. Liu, G. Yu, Q. L. He, “Nonvolatile magnetization switching in a single-layer magnetic topological insulator”, Commun. Phys. 6, 222 (2023).
  3. H. Sun, Y. Huang, M. He, Y. Fu, S. Zheng, B. Zhang, C. Wang, Q. L. He, “Chiral and helical states in selective-area epitaxial heterostructure”, Commun. Phys. 6, 204 (2023).
  4. M. He, Y. Fu, Y. Huang, H. Sun, T. Guo, W. Lin, Y. Zhu, Y. Zhang, Y. Liu, G. Yu, Q. L. He, “Intrinsic and extrinsic dopings in epitaxial films MnBi2Te4”, J. Phys.: Condens. Matter 35 (2023) 295701.
  5. M. He, Y. Huang, H. Sun, Y. Fu, P. Zhang, K. L. Wang, Q. L. He, “Probing the percolation in the quantum anomalous Hall insulator”, New J. Phys. 25, 033003 (2023).
  6. M. He, Y. Huang, H. Sun, Y. Fu, P. Zhang, C. Zhao, K. L. Wang, G. Yu, and Q. L. He, “Quantum anomalous Hall interferometer”, J. Appl. Phys. 133, 084401 (2023).
  7. Y. Huang, H. Sun, M. He, Y. Fu, P. Zhang, K. L. Wang, Q. L. He, “Bias-modulated switching in Chern insulator”, New J. Phys. 24, 083036 (2022).
  8. H. Sun, Y. Huang, P. Zhang, M. He, Y. Fu, K. L. Wang, Q. L. He, “Topological transitions in the presence of random magnetic domains”, Commun. Phys. 5, 217 (2022).
  9. Q. L. He, T. L. Hughes, N. P. Armitage, Y. Tokura, K. L. Wang, “Topological spintronics and magnetoelectronics”, Nat. Mater. 21, 15-23 (2022).
  10. A. J. Grutter, Q. L. He, “Magnetic proximity effects in topological insulator heterostructures: Implementation and characterization”, Phys. Rev. Mater. 5, 090301 (2021).
  11. L. Pan, X. Liu, Q. L. He, A. Stern, G. Yin, X. Che, Q. Shao, P. Zhang, P. Deng, C.-Y. Yang, B. Casas, E. S. Choi, J. Xia, X. Kou, K. L. Wang, “Probing the low-temperature limit of the quantum anomalous Hall effect”, Sci. Adv. 6 : eaaz3595 (2020).
  12. Q. L. He, G. Yin, L. Yu, A. J. Grutter, L. Pan, C-Z Chen, X. Che, G. Yu, B. Zhang, Q. Shao, A. L. Stern, B. Casas, J. Xia, X. Han, B. J. Kirby, R. K. Lake, K. T. Law, K. L. Wang, “Topological transitions induced by antiferromagnetism in a thin-film topological insulator”, Phys. Rev. Lett. 121, 096802 (2018).
  13. Q. L. He, G. Yin, A. J. Grutter, L. Pan, X. Che, G. Yu, D. A. Gilbert, S. M. Disseler, Y. Liu, P. Shafer, B. Zhang, Y. Wu, B. J. Kirby, E. Arenholz, R. K. Lake, X. Han, K. L. Wang, “Exchange-biasing topological charges by antiferromagnetism”, Nat. Commun. 9: 2767 (2018).
  14. Q. L. He, X. Kou, A. J. Grutter, G. Yin, L. Pan, X. Che, Y. Liu, T. Nie, B. Zhang, S. M. Disseler, B. J. Kirby, W. Ratcliff II, Q. Shao, K. Murata, X. Zhu, G. Yu, Y. Fan, M. Montazeri, X. Han, J. A. Borchers, K. L. Wang, “Tailoring exchange couplings in magnetic topological insulator/antiferromagnet heterostructures”, Nat. Mater. 16, 94–100 (2017).
  15. Q. L. He, H. Liu, M. He, Y. H. Lai, H. He, G. Wang, K. T. Law, R. Lortz, J. Wang, and I. K. Sou, “Two-dimensional superconductivity at the interface of a Bi2Te3/FeTe heterostructure”, Nat. Commun. 5:4247 (2014).
  16. Q. L. He, Y. H. Lai, Y. Liu, E. Beltjens, J. Qi, and I. K. Sou, “High performance CaS solar-blind ultraviolet photodiodes fabricated by seed-layer-assisted growth”, Appl. Phys. Lett. 107, 181903 (2015).
  17. Q. L. He, M. He, J. Shen, Y. H. Lai, Y. Liu, H. Liu, H. He, G. Wang, J. Wang, R. Lortz, and I. K. Sou, “Anisotropic magnetic responses of a 2D-superconducting Bi2Te3/FeTe heterostructure”, J. Phys. Condens. Matter 27, 345701 (2015).
  18. Q. L. He, Y. H. Lai, Y. Lu, K. T. Law, and I. K. Sou, “Surface reactivity enhancement on a Pd/Bi2Te3 heterostructure through robust topological surface states”, Sci. Rep. 3: 2497 (2013).

 

本科生/研究生/博士后培养

计划招收博士研究生1-2名，博士后1-2名，欢迎北大本科生参与科研工作。有意者请把申请和简历发到qlhe@pku.edu.cn。