1. Condensed Matter Science and Technology Institute
2. Harbin Institute of Technology
3. Harbin 150080
4. China
5. School of Physics and Electronics
6. Shandong Normal University
7. Ji'nan 250014
8. Department of Stomatology
9. The Fourth Affiliated Hospital of Harbin Medical University
10. Harbin 150001
11. Department of Mathematics and Materials Research Institute