1. Institute of Microelectronics
2. National Cheng Kung University
3. Tainan 701
4. Taiwan
5. Green Energy Technology Research Center
6. Department of Physics
7. National Taiwan Normal University
8. Taipei 11677
9. Department of Physics and Center for Nanotechnology
10. Chung Yuan Christian University
11. Chungli
12. National Nano Device Laboratories
13. National Applied Research Laboratories
14. Hsinchu 30078