1. Institute of Physics
and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. Collaborative Innovation Center of Quantum Matter, Beijing 100190, People’s Republic of China
4. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, People’s Republic of China