1. Key Laboratory of Semiconductor Materials Science
2. Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices
3. Institute of Semiconductors
4. Chinese Academy of Sciences
5. Beijing
6. Institut für Physik & IMN MacroNano® (ZIK)
7. Technische Universität Ilmenau
8. 98693 Ilmenau
9. Germany
10. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources
11. North China Electric Power University
12. China
13. Department of Physics
14. Faculty of Science
15. Jiangsu University
16. Zhenjiang 212013