1. School of Aerospace Engineering
2. Beijing Institute of Technology
3. Beijing 100081
4. China
5. Key Laboratory of Semiconductor Materials Science
6. Institute of Semiconductors
7. Chinese Academy of Sciences
8. Beijing 100083
9. Beijing National Laboratory of Condensed Matter Physics
10. Institute of Physics
11. Beijing 100190
12. AML
13. Department of Engineering Mechanics
14. Tsinghua University
15. Beijing 100084