1. State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano‐optoelectronics School of Physics Peking University Beijing 100871 China
2. Electron Microscopy Laboratory School of Physics Peking University Beijing 100871 China
3. Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China
4. Collaborative Innovation Center of Quantum Matter Peking University Beijing 100871 China
5. Peking University Yangtze Delta Institute of Optoelectronics Nantong Jiangsu 226010 China