1. Laboratory of Amorphous Materials
2. School of Materials Science and Engineering
3. Hefei University of Technology
4. Hefei
5. P. R. China
6. Hefei National Laboratory for Physical Sciences at Microscale, and Department of Physics
7. University of Science and Technology of China
8. People's Republic of China
9. Key Laboratory of Materials Physics
10. Institute of Solid State Physics
11. Chinese Academy of Sciences
12. Hefei 230031