1. Beijing
Key Laboratory for Magneto-Photoelectrical Composite and Interface
Science, Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, 100083, People’s Republic of China
2. The
Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Center
for Condensed Matter Physics, Department of Physics, Capital Normal University, Beijing 100048, People’s Republic of China