1. Institute of Physics; Chinese Academy of Sciences; Beijing 100190 China
2. School of Physical Sciences; University of Chinese Academy of Sciences; Beijing 100190 China
3. Department of Physics; Renmin University of China; Beijing 100872 China
4. College of Physics and Electronic Information; Gannan Normal University; Jiangxi 341000 China
5. Beijing Key Laboratory for Nanomaterials and Nanodevices; Beijing 100190 China
6. Collaborative Innovation Center of Quantum Matter; Beijing 100190 China