刘奇航 - 南方科技大学

个人简介

Research Positions 2018 – Present: Associate Professor, Department of Physics, Southern University of Science and Technology, Shenzhen, China 2013 – 2018: Research Associate Faculty, Renewable and Sustainable Energy Institute, University of Colorado, Boulder, CO (Cooperation advisor: Prof. Alex Zunger) 2012 – 2013: Postdoctoral fellow, Department of Physics and Astronomy, Northwestern University, Evanston, IL (Cooperation advisor: Prof. Arthur J. Freeman) Educational Background 2007 – 2012: Ph. D. in Condensed Matter Physics, State Key Laboratory of Mesoscopic Physics and Department of Physics, Peking University, Beijing, China 2003 – 2007: Bachelor of Science, Department of Physics, Peking University, Beijing, China Brief Introduction Qihang Liu, Associate Professor at the Department of Physics, SUSTC. Prof. Liu’s research interest is theoretical condensed matter physics and computational materials science, special focus is on novel physical properties induced by spin-orbit coupling, topological insulators, strong correlation physics, electronic and structural properties of crystals, surfaces, and interfaces, low-dimensional systems and nano-materials, and electron transport through nanostructures. Prof. Liu has published more than 30 peer-reviewed journal articles including Nat. Phys., PRX, PRL, PRB, Nano Lett., Adv. Func. Mater., and has received more than 2200 citations based on Google Scholar.

研究领域

Theoretical condensed matter physics and computational materials science: Novel physics induced by spin-orbit coupling, such as topological insulators, spin splittings (Rashba-type and Dresselhaus-type) and related electronic or optical properties. Atomic and electronic structure of crystals, defects, molecules and low-dimensional nanostructures, such as interfaces, heterostructures, graphene, silicene, carbon nanotube and transition-metal dichalcogenides. Novel electronic device simulation in nanoelectronics and spintronics, such as (spin-) field effect transistor, negative differential resistance, spin-filter, spin-valve, etc.

近期论文

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W. Chen, M. Gu, J. Li, P. Wang, Q. Liu* Role of Hidden Spin Polarization in Nonreciprocal Transport of Antiferromagnets Phys. Rev. Lett. 129, 276601 (2022) J. Sheng†, L. Wang†, A. Candinif, W. Jiang, L. Huang, B. Xi, J. Zhao, H. Ge, N. Zhao, Y. Fu, J. Ren, J. Yang, P. Miao, X. Tong, D. Yu, S. Wang, Q. Liu, M. Kofu, R. Mole, G. Biasiol, D. Yu*, I. A. Zaliznyak*, J. Mei*, L. Wu*Two-dimensional quantum universality in the spin-1/2 triangular-lattice quantum antiferromagnet Na2BaCo(PO4)2 Proc. Natl. Acad. Sci. 119, e2211193119 (2022) P. Liu, A. Zhang, J. Han, Q. Liu*Chiral Dirac-like fermion in spin-orbit-free antiferromagnetic semimetals The Innovation 3, 100343 (2022) R. Chen†, H.-P. Sun†, M. Gu†, C.-B. Hua, Q. Liu*, H.-Z. Lu*, X. C. Xie Layer Hall effect induced by hidden Berry curvature in antiferromagnetic insulators Natl. Sci. Rev. nwac140 (2022) Y. Wan†, J. Li†, Q. Liu*Topological magnetoelectric response in ferromagnetic axion insulators Natl. Sci. Rev. nwac138 (2022) H.-K. Xu†, M. Gu†, F. Fei†, Y.-S. Gu, D. Liu, Q.-Y. Yu, S.-S. Xue, X.-H. Ning, B. Chen, H. Xie, Z. Zhu, D. Guan, S. Wang, Y. Li, C. Liu, Q. Liu, F. Song, H. Zheng,* and J. Jia*Observation of Magnetism-Induced Topological Edge State in Antiferromagnetic Topological Insulator MnBi4Te7 ACS Nano 16, 9810 (2022) T. Feng†, P. Wang†, Z. Han, L. Zhou, W. Zhang*, Q. Liu*, W. Liu* Large transverse and longitudinal magneto-thermoelectric effect in polycrystalline nodal-line semimetal Mg3Bi2 Adv. Mater. 202200931 (2022) P. Liu, J. Li, J. Han, X. Wan*, Q. Liu* Spin-group symmetry in magnetic materials with negligible spin-orbit coupling arXiv:2103.15723 (2021) to appear in Phys. Rev. X J. Li†, Q. Yao†, L. Wu†, Z. Hu, B. Gao, X. Wan*, Q. Liu* Designing light-element materials with large effective spin-orbit coupling Nat. Commun. 13, 919 (2022) Q. Zeng†, H. Sun†, J. Shen, Q. Yao, Q. Zhang, N. Li, L. Jiao, H. Wei, C. Felser, Y. Wang*, Q. Liu*, E. Liu* Pressure-Driven Magneto-Topological Phase Transition in a magnetic Weyl semimetal Adv. Quantum Technol. 2100149 (2022) Z. Hao†, W. Chen†, Y. Wang, J. Li, X. Ma, Y. Hao, R. Lu, Z. Shen, Z. Jiang, W. Liu, Q. Jiang, Y. Yang, X. Lei, L. Wang, Y. Fu, L. Zhou, L. Huang, Z. Liu, M. Ye, D. Shen, J. Mei, H. He, C. Liu, K. Deng, C. Liu, Q. Liu*, C. Chen* Multiple Dirac nodal lines in an in-plane anisotropic semimetal TaNiTe5 Phys. Rev. B 104, 115158 (2021) K. Zhang†, S. Zhao†, Z. Hao†, S. Kumar, E. F. Schwier, Y. Zhang, H. Sun, Y. Wang, Y. Hao, X. Ma, C. Liu, L. Wang, X. Wang, K. Miyamoto, T. Okuda, C. Liu, J. Mei, K. Shimada*, C. Chen*, Q. Liu* Observation of Spin-Momentum-Layer Locking in a Centrosymmetric Crystal Phys. Rev. Lett. 127, 126402 (2021) (SUSTech News) Y. Zhao, Q. Liu* Routes to realize the axion-insulator phase in MnBi2Te4(Bi2Te3)n family Appl. Phys. Lett. 119, 060502 (2021) (Editor’s Pick) J. Shao†, Y. Liu†, M. Zeng, J. Li, X. Ma, F. Jin, R. Lu, Y. Sun, M. Gu, W. Wu, L. Wu, C. Liu, Q. Liu*, Y. Zhao* Pressure-tuned intralayer exchange in superlattice-like MnBi2Te4/(Bi2Te3)n topological insulators Nano Lett. 21, 5874-5880 (2021) Q. Yao, J. Li, Q. Liu* Fragile symmetry-protected half metallicity in two-dimensional van der Waals magnets: A case study of monolayer FeCl2 Phys. Rev. B 104, 035108 (2021) P. Huang, X. Chen, P. Zhang, H. Sun, S. Xu, W. Xiong, R. Wang*, H. Zhang*, Q Liu*, X. Zhang* Crystalline chirality and interlocked double hourglass Weyl fermion in polyhedra-intercalated transition metal dichalcogenides NPG Asia Mater. 13, 49 (2021) R. Chen, S. Li, H. Sun, Q. Liu, Y. Zhao, H. Lu*, X. C. Xie Using nonlocal surface transport to identify the axion insulator Phys. Rev. B 103, L241409 (2021) M. Gu†, J. Li†, H. Sun, Y. Zhao, C. Liu, J. Liu*, H. Lu, Q. Liu* Spectral signatures of the surface anomalous Hall effect in magnetic axion insulators Nat. Commun. 12, 3524 (2021) W. Chen, Y. Zhao, Q. Yao, J. Zhang, Q. Liu* Koopmans’ theorem as the mechanism of nearly gapless surface states in self-doped magnetic topological insulators Phys. Rev. B 103, L201102 (2021) X. Ma†, Y. Zhao†, K. Zhang†, S. Kumar†, R. Lu, J. Li, Q. Yao, J. Shao, F. Hou, X. Wu, M. Zeng, Y. Hao, Z. Hao, Y. Wang, X. Liu, H. Shen, H. Sun, J. Mei, K. Miyamoto, T. Okuda, M. Arita, E. F. Schwier, K. Shimada, K. Deng, C. Liu, J. Lin, Y. Zhao, C. Chen*, Q. Liu*, C. Liu* Realization of a tunable surface Dirac gap in Sb-doped MnBi2Te4 Phys. Rev. B 103, L121112 (2021) (Editors’ Suggestion)