1. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
2. CAS Center for Excellence in Superconducting Electronics(CENSE), Shanghai 200050, China
3. School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
4. University of Chinese Academy of Sciences, Beijing 100049, China
5. State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China
6. Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China