1. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of Sciences Beijing 100190 China
2. Institute of Advanced Materials Beijing Normal University Beijing 100875 China
3. Department of Physics and Beijing Key Laboratory of Opto‐Electronic Functional Materials & Micro‐Nano Devices Renmin University of China Beijing 100872 China
4. School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China
5. Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China