1. Institute of Applied Physics
2. Graduate School of Pure and Applied Sciences
3. University of Tsukuba
4. Tsukuba
5. Japan
6. Department of Physics
7. Graduate School of Science
8. Tohoku University
9. Sendai
10. WPI Advanced Institute for Materials Research
11. Sendai 980-8577
12. Center for Spintronics Research Network
13. Osaka University
14. Toyonaka
15. University of Tokyo
16. Tokyo 113-0033
17. CREST