1. Graduate School of Science and Techonology, Niigata University, Niigata 950-2181
2. Faculty of Engineering, Niigata University, Niigata 950-2181
3. Graduate school of Science, Tohoku University, Sendai 980-8578
4. Faculty of Integrated Arts and Sciencies, Tokushima University, Tokushima 770-8502
5. Graduate School of Science, Tokyo Metropolitan University, Hachioji 192-0397
6. National Institute for Materials Science, Tsukuba 305-0003