1. State Key Lab for Artificial Microstructure & Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
2. Collaborative Innovation Center of Quantum Matter, Beijing 100871, China
3. Electron Microscopy Laboratory, School of Physics, Peking University, Beijing 100871, China
4. Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
5. International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China