1. Department of Applied Chemistry Graduate School of Science and Engineering Ehime University 3 Bunkyo-cho Matsuyama 790-8577 Japan
2. Research Unit for Power Generation and Storage Materials Ehime University 3 Bunkyo-cho Matsuyama 790-8577 Japan
3. Research Unit for Development of Organic Superconductors Ehime University 2–5 Bunkyo-cho Matsuyama 790-8577 Japan