1. Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology
2. School of Physics Science and Engineering
3. Tongji University
4. Shanghai 200092
5. China
6. Department of Materials Science and Engineering
7. University of Washington
8. Seattle
9. USA
10. MOE Key Laboratory for Magnetism and Magnetic Materials
11. School of Materials Science and Engineering
12. Department of Physics
13. Department of Material Science and Engineering
14. Monash University
15. Clayton
16. Australia