1. Faculty of Agriculture
2. Meijo University
3. Nagoya 468-8502
4. Japan
5. Toyota Physical and Chemical Research Institute
6. Research Center for Low Temperature and Materials Sciences
7. Kyoto University
8. Kyoto 606-8501
9. Department of Physics
10. Graduate School of Science
11. Nagoya University
12. Nagoya 464-8602
13. Department of Applied Physics
14. Nagoya 464-8603
15. Institut des Sciences Chimiques de Rennes
16. UMR CNRS 6226
17. 35042 Rennes cedex
18. France