1. State Key Laboratory of Rare Earth Resource Utilization
2. Changchun Institute of Applied Chemistry
3. Chinese Academy of Sciences
4. Changchun 130022
5. P. R. China
6. Engineering Research Center of Nano-Geomaterials of Ministry of Education
7. Faculty of Materials Science and Chemistry
8. China University of Geosciences
9. Wuhan 430074
10. School of Applied Physics and Materials
11. Wuyi University
12. Jiangmen 529020
13. School of Chemistry and Chemical Engineering
14. Qingdao University
15. Qingdao 266071