1. Faculty of Engineering
2. Shinshu University
3. Nagano 380-8553, Japan
4. Research Center for Exotic Nanocarbons (JST)
5. School of Polymer Science and Engineering & Alan G. MacDiarmid Energy Research Institute
6. Chonnam National University
7. Gwangju 500-757, Korea
8. Department of Physics
9. Department of Materials Science and Engineering & Materials Research Institute
10. Department of Electrical Engineering and Computer Science and Department of Physics
11. Massachusetts Institute of Technology
12. Cambridge, USA