1. Key Laboratory of
Automobile Materials of MOE, State Key Laboratory of Automotive Simulation
and Control, and Department of Materials Science, Jilin University, Changchun, Jilin 130000, China
2. Beijing National Laboratory for Condensed Matter Physics,
Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
3. School of
Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China