1. School of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
2. Weifang University of Science and Technology, Shouguang 262700, China
3. School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
4. School of Science, Jiangsu University of Science and Technology, Zhenjiang 212001, China
5. Institute for Computational Materials Science, Joint Center for Theoretical Physics, School of Physics and Electronics, Henan University, Kaifeng 475004, China
6. College of Physics Science and Technology, Yangzhou University, Yangzhou 225002, China