1. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials School of Physics and Telecommunication Engineering South China Normal University Guangzhou 510006 China
2. Institute of Interdisciplinary Physical Sciences School of Science Nanjing University of Science and Technology Nanjing 210094 China
3. State Key Laboratory for Mesoscopic Physics Frontiers Science Center for Nano‐optoelectronics School of Physics Peking University Beijing 100871 China
4. International Centre for Quantum Materials Collaborative Innovation Centre of Quantum Matter Peking University Beijing 100871 China
5. Center for Nanochemistry (CNC) Beijing Science and Engineering Center for Nanocarbons Beijing National Laboratory for Molecular Sciences College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
6. Beijing Graphene Institute (BGI) Beijing 100095 China