Center for Correlated Matter and Department of Physics;
Zhejiang University;
Hangzhou 310058;
China;
Zhejiang Province Key Laboratory of Quantum Technology and Device;
Department of Physics;
Zhejiang University;
Hangzhou 310058;
China;
State Key Laboratory of Silicon Materials;
Zhejiang University;
Hangzhou 310058;
China;
Collaborative Innovation Center of Advanced Microstructures;
Nanjing 210093;
China;