1. Department of Materials Science & Engineering, College of Engineering, Peking University, Beijing 100871, China
2. College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
3. Electron Microscopy Laboratory, and International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, China
4. Collaborative Innovation Centre of Quantum Matter, Beijing 100871, China
5. BIC-ESAT, College of Engineering, Peking University, Beijing 100871, China
6. Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing 100871, China