1. School of Mathematics, Physics and Finance, Anhui Polytechnic University, Wuhu 241000, China
2. Institute for Advanced Materials, Hubei Normal University, Huangshi 435002, China
3. Material Technology Institute, Yibin University, Yibin 644000, China
4. Department of Physics, Jiangsu Second Normal University, Nanjing 210013, China
5. Laboratory of Solid State Microstructures and Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China