1. Division of Materials Science Nara Institute of Science and Technology 8916-5 Takayama-cho Ikoma 630-0192 Japan
2. INAMORI Frontier Research Center and Department of Applied Chemistry Kyushu University 744 Motooka Nishi-ku, Fukuoka 818-0395 Japan
3. Department of Material and Life Science Graduate School of Engineering Osaka University 2-1 Yamadaoka Suita, Osaka 565-0871 Japan