1. National Institute for Materials Science
2. Tsukuba 305-0044
3. Japan
4. Department of Physics
5. National Sun Yat-Sen University
6. Department of Materials Science and Engineering
7. Nagoya Institute of Technology
8. Nagoya 466-855
9. Molecular Photoscience Research Center
10. Kobe University
11. Kobe 657-8501
12. Graduate School of Science
13. Center for Supports to Research and Education Activities
14. Kaohsiung 804
15. Taiwan