1. Graduate School of Chemical Sciences and Engineering
2. Hokkaido University
3. Sapporo 060-0810
4. Japan
5. Institute for Catalysis
6. Sapporo 001-0021
7. International Center for Materials Nanoarchitectonics (MANA)
8. National Institute for Materials Science (NIMS)
9. Tsukuba 305-0044
10. Department of Chemistry
11. Faculty of Science