1. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics, South China Normal University 1 , 510006 Guangzhou, China
2. Guangdong-Hong Kong Joint Laboratory of Quantum Matter, Frontier Research Institute for Physics, South China Normal University 2 , 510006 Guangzhou, China
3. Songshan Lake Materials Laboratory 3 , 523808 Dongguan, China
4. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences 4 , 100190 Beijing, China