1. School of Physics and Electronic Science, Guizhou Normal University, Guiyang 550025, People's Republic of China
2. Institute for Structure and Function and Department of Physics, Chongqing University, Chongqing 401331, People's Republic of China
3. Department of Mechanical and Electrical Engineering, Guizhou Light Industry Technical College, Guiyang 550025, People's Republic of China
4. School of Mechatronics Engineering, Guizhou Minzu University, Guiyang, 550025, China