1. Faculty of Metallurgical and Energy Engineering
2. Kunming University of Science and Technology
3. Kunming 650093
4. China
5. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization
6. Institute of Applied Physics and Materials Engineering
7. University of Macau
8. Avenida da Universidade
9. Taipa
10. State Key Laboratory of Rare earth Resources Utilization
11. Chinese Academy of Science
12. Changchun 130022