1. Department of Applied Physics
2. The Hong Kong Polytechnic University
3. Kowloon
4. China
5. State Key Laboratory of High Performance Ceramics and Superfine Microstructure
6. International Joint Research Laboratory of New Energy Materials and Devices of Henan Province
7. Henan University
8. Kaifeng 475004
9. Shanghai Institute of Ceramics
10. Chinese Academy of Sciences
11. Shanghai 200050
12. School of Materials Science and Engineering and Jiangxi Engineering Laboratory for Advanced Functional Thin Films
13. Nanchang University
14. Nanchang 330031
15. School of Materials Science and Engineering
16. Nanjing University of Science and Technology
17. Nanjing 210094
18. School of Physics and Materials Science
19. Guangzhou University
20. Guangzhou 510006