1. Shanghai Key Laboratory of High Temperature Superconductors, Institute for Quantum Science and Technology, Department of Physics, Shanghai University, Shanghai 200444, China
2. Theoretical Materials Physics, Q-MAT, CESAM, Université de Liège, B-4000 Liège, Belgium
3. Singapore Synchrotron Light Source, National University of Singapore, Singapore 117603, Singapore
4. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
5. Department of Physics, Faculty of Science, National University of Singapore, Singapore 117542, Singapore
6. Physical and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
7. Centre for Advanced 2D Materials and Graphene Research, National University of Singapore, Singapore 117546, Singapore