1. Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
2. Toyota Central R&D Labs., Inc., 41-1, Yokomichi, Nagakute, Aichi 480-1192, Japan
3. Fullerene Group, NIMS, 1-2-1 Sengen, Tsukuba-city, Ibaraki 305-0047, Japan
4. CarbonPhotoScience Laboratory, 2-1-6 Kita-Nakayama, Izumi-ku, Sendai, Miyagi 981-3215, Japan