1. National Laboratory of Solid State Microstructures
2. Collaborative Innovation Center of Advanced Microstructures, and Department of Physics
3. Nanjing University
4. Nanjing
5. China
6. Department of Physics
7. Zhejiang University of Science and Technology
8. Hangzhou
9. Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province
10. Yancheng Institute of Technology
11. Yancheng