1. Changchun Institute of Optics
2. Fine Mechanics and Physics
3. Chinese Academy of Sciences
4. Changchun 130033
5. P. R. China
6. Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
7. Jilin Normal University
8. Changchun 130103
9. PR China
10. College of Materials Science and Engineering
11. Jilin University
12. Changchun 130012
13. China
14. State Key Laboratory of Superhard Materials
15. Department of Chemistry
16. University of Puerto Rico
17. Rio Piedras Campus
18. San Juan
19. USA
20. College of Physics