1. College of Physics and Electronic Information
2. Huaibei Normal University
3. Huaibei
4. P. R. China
5. Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation
6. Key Laboratory of Materials Physics
7. Anhui Key Laboratory of Nanomaterials and Nanotechnology
8. Institute of Solid State Physics
9. Hefei Institutes of Physical Science
10. Chinese Academy of Sciences