Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Yoshida, Kyoto 606-8501, Japan, Department of Organic and Polymeric Materials, Faculty of Engineering, Tokyo Institute of Technology, O-okayama, Tokyo 152-8552, Japan, and International Superconductivity Technology Center, Shinonome, Tokyo 135-0062, Japan(1999-07-31時点)
