1. State Key Laboratory
of Rare Earth Resource Utilization, Changchun Institute of Applied
Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, Jilin 130022, P. R. China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Key Laboratory
of Functional Inorganic Material Chemistry of Education Ministry,
School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China