1. Department of Applied Physics
2. The Hong Kong Polytechnic University
3. Hong Kong
4. P. R. China
5. State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials
6. Jiangsu Key Laboratory of Thin Films
7. Department of Physics
8. Soochow University
9. Suzhou 215006
10. State Key Laboratory of Electronic Thin Films and Integrated Devices
11. University of Electronics Science and Technology of China
12. Chengdu 610054
13. Research School of Chemistry
14. The Australian National University
15. Canberra
16. Australia