1. Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
2. SPring-8, Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
3. Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tokai, Ibaraki 319-1106, Japan
4. Materials and Life Science Division, J-PARC Center, Tokai, Naka, Ibaraki 319-1195, Japan
5. SOKENDAI (School of High Energy Accelerator Science, the Graduate University for Advanced Studies), Tokai, Ibaraki 319-1195, Japan
6. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan