1. State Key Laboratory of Metastable Materials Science and Technology
2. Yanshan University
3. Qinhuangdao 066004
4. PR China
5. College of Environmental and Chemical Engineering
6. Baotou Research Institute of Rare Earth
7. Baotou 014030
8. School of Materials Science & Engineering
9. Henan Polytechnic University
10. Jiaozuo 454000