1. Faculty of Materials Metallurgy and Chemistry, Collage of Rare earth, Jiangxi University of Science and Technology, Ganzhou 341000, P.R. China
2. School of Materials Science and Engineering, Peking University, Beijing 100083, P.R. China
3. National Engineering Research Center for Ionic Rare Earth, Ganzhou, 341000, PR China
4. Key Laboratory of Rare Earth Luminescence Materials and Devices of Jiangxi Province, Ganzhou 341000, P.R. China
5. National Rare Earth Functional Materials Innovation Centre, Ganzhou, 341000, P.R. China