1. Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, China
2. Hubei Key Laboratory of Energy Storage and Power Battery and School of Mathematics, Physics and Optoelectronic Engineering, Hubei University of Automotive Technology, Shiyan 442002, China
3. School of Electronic and Information Engineering, Hubei University of Science and Technology, Xianning 437100, China
4. Department of Physics, Hubei University, Wuhan 430062, China
5. The Institute of Technological Science, Wuhan University, Wuhan 430072, China
6. Key Laboratory of Intelligent Sensing System and Security of Ministry of Education, Hubei University, Wuhan 430062, China