1. Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
2. Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, 1-1-1
Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
3. Institute for Integrated Cell-Material Sciences, Kyoto University, Yoshida, Sakyo-ku,
Kyoto 606-8501, Japan
4. INAMORI Frontier Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan