Affiliation: | a Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan b Kansai Research Institute, 17 Chudojiminami-machi, Shimogyo-ku, Kyoto 600-8813, Japan c National Institute of Advanced Industrial Science and Technology, 1-1-4 Umezono, Tsukuba, Ibaraki 305-8565, Japan |