1. College of Physics; Chongqing University; Chongqing 401331 China
2. Beijing Key Lab of Microstructure and Property of Advanced Materials; Beijing University of Technology; Beijing 100024 China
3. Department of Applied Physics; The Hong Kong Polytechnic University; Kowloon 999077 Hong Kong
4. College of Materials Science and Engineering; Chongqing University; Chongqing 400044 China
5. Chongqing Institute of Green and Intelligent Technology; Chinese Academy of Sciences; Chongqing 400714 China
6. University of Chinese Academy of Sciences; Beijing 100049 China