1. The State Key Laboratory of Refractories and Metallurgy
2. College of Science
3. Wuhan University of Science and Technology
4. Wuhan 430065
5. People's Republic of China
6. Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
7. School of Physics and Technology
8. Wuhan University
9. Wuhan 430072
10. School of Materials and Metallurgy
11. Wuhan 430081