1. Laboratory of Clean Energy Technology
2. Changchun University of Science and Technology
3. Changchun 130022
4. China
5. Physics and HiPSEC
6. University of Nevada
7. Las Vegas
8. USA
9. Department of Materials Science
10. State Key Laboratory of Superhard Materials
11. and Key Laboratory of Automobile Materials of MOE
12. Jilin University
13. Changchun 130012