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Dr. Qing Lin He 何庆林

 

Assistant Professor

 

Room W548, Physics Building.

qlhe(at)pku.edu.cn

Tel. 86-10-62765560

 

Education

Degree

Year

Major

Institution

Ph.D.

2011/09-2015/01

Physics

Hong Kong University of Science and Technology

B.S.

2007/09-2011/08

Materials Physics

Sun Yat-sen University

 

Professional Appointments

Year

Position

Institution

2018/05- present

Assistant Professor

ICQM, Peking University

2015/03-2018/04

Post-doctoral Researcher

University of California, Los Angeles

 

Research Interests

  • Molecular Beam Epitaxial (MBE) growth and characterization of quantum materials, metal and semiconductor thin films and nanostructures, including quantum dots, nanowires, etc.;
  • Topological (crystalline) insulators;
  • Topological superconductor and Majorana fermions;
  • Antiferromagnetic spintronics;

 

Selected Publication

  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).

 

Open Positions

We have openings for undergraduate students, Ph.D. students, and postdocs. Please send emails with your resume to Q.L.He (qlhe@pku.edu.cn) for applications.