1. Institute of Physics
2. Academy of Sciences of the Czech Republic
3. Czech Republic
4. Faculty of Nuclear Sciences and Physical Engineering
5. Czech Technical University in Prague
6. Shanghai Institute of Ceramics
7. Chinese Academy of Sciences
8. Shanghai 201899
9. P. R. China
10. Center of Materials Science and Optoelectronics Engineering
11. School of Material Science and Engineering
12. Jiangsu University
13. Zhenjiang 212013
14. China
15. Department of Physics
16. Shanghai Normal University
17. Shanghai 200234