1. Department of Electrophysics
2. National Chiao Tung University
3. Hsinchu 30010
4. Taiwan
5. Max-Planck Institute for Chemical Physics of Solids
6. Department of Materials Science and Engineering
7. Dresden 01187
8. Germany
9. National Synchrotron Radiation Research Center
10. Hsinchu
11. Department of Quantum Matter
12. ADSM
13. Hiroshima University
14. Higashi-Hiroshima 739-8530
15. Japan
16. Insitute of Physics
17. Academia Sinica
18. Taipei 11529
19. Department of Electronic Engineering
20. East China Normal University
21. Shanghai
22. China