1. Chongqing Institute of Green and Intelligent Technology Chinese Academy of Sciences Chongqing 400714 P. R. China
2. Chongqing School University of Chinese Academy of Sciences Chongqing 400714 P. R. China
3. Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics Chongqing University Chongqing 401331 P. R. China
4. School of Science Chongqing University of Posts and Telecommunications Chongqing 400065 P. R. China
5. Analytical and Testing Center of Chongqing University Chongqing 401331 P. R. China
6. College of Materials Science and Engineering Chongqing University Chongqing 400044 P. R. China
7. Center of Quantum Materials & Devices Chongqing University Chongqing 401331 P. R. China