1. State Key Laboratory for Mesoscopic Physics; School of Physics; Peking University; Beijing 100871 China
2. Academy for Advanced Interdisciplinary Studies; Peking University; Beijing 100871 China
3. Centre for Multidimensional Carbon Materials; Institute for Basic Science; Ulsan 44919 Republic of Korea
4. International Centre for Quantum Materials; Peking University; Beijing 100871 China
5. School of Electronic Engineering; Beijing University of Posts and Telecommunications; Beijing 100876 China
6. Electron Microscopy Laboratory; School of Physics; Peking University; Beijing 100871 China
7. Collaborative Innovation Centre of Quantum Matter; Beijing 100871 China
8. Centre for Nanochemistry; College of Chemistry and Molecular Engineering; Peking University; Beijing 100871 China
9. Department of Physics; South University of Science and Technology of China; Shenzhen 518055 China
10. School of Materials Science and Engineering; Ulsan National Institute of Science and Technology (UNIST); Ulsan 44919 Republic of Korea
11. Institute of Ocean Research; Peking University; Beijing 100871 China