1. School of Materials Science and Engineering
2. Central South University
3. Changsha 410083
4. P. R. China
5. Department of Applied Physics
6. Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology
7. School of Science
8. Tianjin University
9. Tianjin 300072
10. Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing
11. Guangxi Crystal Union Photoelectric Materials Co. Ltd.
12. Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences
13. Ningbo 315201
14. School of Physical Science and Electronics Central South University
15. Changsha
16. International Center for Materials Nanoarchitectonics (MANA)
17. National Institute for Materials Science (NIMS)
18. Tsukuba
19. Japan