1. Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China
2. Department of Physics, Southern University of Science and Technology, Shenzhen, 518055, China
3. Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
4. Division of Quantum State of Matter, Beijing Academy of Quantum Information Sciences, Beijing, 100193, China
5. Key Laboratory for the Physics and Chemistry of Nanodevices and Center for Carbon-based Electronics, Department of Electronics, Peking University, Beijing 100871, China
6. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, China