1. College of Mathematics and Physics
2. Bohai University
3. Jinzhou 121013
4. China
5. School of Science
6. Inner Mongolia University of Science and Technology
7. Baotou 014010
8. Key Laboratory of Integrated Exploitation of Bayan Obo Multi-Metal Resources
9. State Key Laboratory of Metastable Materials Science & Technology and College of Science
10. Yanshan University
11. Qinhuangdao 066004
12. Department of Physics
13. Nanjing University of Aeronautics and Astronautics
14. Nanjing 210016