1. Research & Utilization Division, Japan Synchrotron Radiation Research Institute (JASRI/SPring-8), 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
2. Polythione Co. Ltd., 2-13 Asahidai, Nomi, Ishikawa 923-1211,
Japan
3. Research Institute
for Science
and Technology, Kinki University, 3-4-1
Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
4. School of Materials Science, Japan Advanced Institute of Science and Technology,
1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan