1. Chemical Resources Laboratory
2. Tokyo Institute of Technology
3. Yokohama 226-8503, Japan
4. Department of Chemistry
5. Faculty of Science
6. Gakushuin University
7. Tokyo 171-8588, Japan
8. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
9. Barcelona, Spain
10. Particle Radiation Oncology Research Center
11. Kyoto University Research Reactor Institute
12. Asashiro-nishi, Kumatori-cho
13. Osaka 590-0494, Japan