1. Kanagawa Academy of Science and Technology, 3-2-1 Sakato, Takatsu-ku, Kawasaki, Kanagawa 213, Japan, Institute of Industrial Science, The University of Tokyo, 7-22-1 Roppongi, Minato-ku, Tokyo 106-8558, Japan, Department of Materials Science and Technology, Science University of Tokyo, Noda, Chiba 278-8510, Japan, Laboratoire de Chimie Inorganique et Matériaux Moléculaires, Unité CNRS 7071, Université Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris Cedex 05, France, and Research Center for Advanced...