1. MIIT Key Laboratory of Advanced Metallic and Intermetallic Materials Technology
2. School of Materials Science and Engineering
3. Nanjing University of Science and Technology
4. Nanjing 210094
5. PR China
6. Key Laboratory of Materials Physics
7. Institute of Solid State Physics
8. Chinese Academy of Sciences
9. Hefei 230031
10. Materials Characterization & Research Center
11. Jiangsu 210094
12. China