LIU Chang - The Department of Physics at Southern University of Science and Technology

Personal Profile

LIU Chang, Associate Professor at the Department of Physics, SUSTech. Dr. Liu's research mainly focuses on revealing the novel electronic properties of functional materials such as magnetic materials, topological materials, thermoelectric materials, etc., using angle resolved photoemission spectroscopy (ARPES), scanning tunneling microscopy (STM) and other spectroscopic techniques. His research group also masters the techniques of material growth such as the flux method, chamical vapor transfer (CVT) and molecular beam epitaxy (MBE). On the field of topologically non-trivial materials, his works presented e.g. a gapless topological surface state in magnetic topological insulators and an exotic surface state in three dimensional Dirac semimetals. On the field of thermoelectric materials, his works revealed the valence band information on a series of SnSe-based high-performance thermoelectric compounds.

Research Areas

Angle resolved photoemission spectroscopy (ARPES), Ultrahigh vacuum technique;
Growth of single crystals and single crystalline films;
Novel magnetic materials;
Magnetic and nonmagnetic topological materials;
High-performance thermoelectric materials;
Two-dimensional materials.

Educational Background

2006-2011: PhD in Condensed Matter Physics, Iowa State University (USA)

2003-2006: BS in Department of Physics, Sun Yat-sen University (China)

2001-2003: Department of Urban Planning, Sun Yat-sen University (China)

Professional Experience

2015-Present : Associate Professor, Department of Physics, SUSTC

2014-2015: Assistant Professor, Department of Physics, SUSTC

2011-2014: Postdoctoral Research Associate, Princeton University (USA)

Honors & Awards

2017 Young Teacher Teaching Competition, Second Prize, Southern University of Science and Technology, Second Prize

2018 Excellent Teaching Award, Southern University of Science and Technology.

Selected Publication

1. Xiang-Rui Liu*, Hanbin Deng*, Yuntian Liu* et al., Spectroscopic signature of obstructed surface states in SrIn₂P₂. Nat. Commun. 14, 2905 (2023).

2. Xiao-Ming Ma*, Yufei Zhao*, Ke Zhang*, Shiv Kumar* et al., Realization of a tunable surface Dirac gap in Sb-doped MnBi₂Te₄. Phys. Rev. B 103, L121112 (2021) (编辑推荐文章).

3. Yu-Jie Hao*, Pengfei Liu*, Yue Feng* et al., Gapless surface Dirac cone in antiferromagnetic topological insulator MnBi₂Te₄. Phys. Rev. X 9, 041038 (2019) (Physics 精选报道).

4. Wenke He et al., High thermoelectric performance in low-cost SnS_0.91Se_0.09 crystals. Science 365, 1418 (2019).

5. Qiangsheng Lu et al., Unexpected large hole effective masses in SnSe revealed by angle-resolved photoemission spectroscopy. Phys. Rev. Lett. 119, 116401 (2017).