1. Jiangsu Key Laboratory for Nanotechnology
2. Collaborative Innovation Center of Advanced Microstructures
3. Nanjing National Laboratory of Microstructures and Department of Physics
4. Nanjing University
5. Nanjing
6. Key Laboratory of Low Dimensional Condensed Matter Physics of Higher Educational Institution of Guizhou province
7. School of Physics and Electronic Science
8. Guizhou Normal University
9. Guiyang
10. P. R. China
11. Guizhou Provincial Key Laboratory of Computational Nano-material Science
12. Guizhou Synergetic Innovation Center of Scientific Big Data for Advanced Manufacturing Technology
13. Guizhou Education University