1. School of Materials Science and Engineering Shanghai University Shanghai 200444 China
2. Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics Beijing Institute of Technology Beijing 10081 China
3. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics Chinese Academy of Sciences Beijing 100190 China
4. Hefei National Laboratory Hefei 230088 China
5. Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China
6. Advanced Research Institute of Multidisciplinary Science Beijing Institute of Technology Beijing 10081 China
7. School of Chemical and Environmental Engineering Anhui Polytechnic University Wuhu Anhui 241000 China