1. Department
of Material Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
2. Fukui
Institute for Fundamental Chemistry, Kyoto University, Sakyo-ku, Kyoto 606-8103, Japan
3. Tosoh Corporation, 4560 Kaisei-cho, Shunan-shi, Yamaguchi 746-0006, Japan