1. School of Materials Science and Engineering
2. North University of China
3. Taiyuan
4. China
5. Key Laboratory of Magnetic Materials and Devices
6. Institute of Applied Chemistry
7. East China University of Science and Technology
8. Shanghai 200237
9. Ningbo Institute of Materials Technology and Engineering
10. Chinese Academy of Sciences
11. Ningbo
12. P. R. China
13. Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology