1. College of Physics and Electronic Engineering, Chongqing Normal University 1 , Chongqing 401331, People's Republic of China
2. College of Materials Science and Engineering, Chongqing University 2 , Chongqing 400044, People's Republic of China
3. College of Physics and Chongqing Key Laboratory for Strongly Coupled Physics, Chongqing University 3 , Chongqing 400044, People's Republic of China
4. Center of Quantum Materials and Devices, Chongqing University 4 , Chongqing 400044, People's Republic of China