1. Nano Hybrid Technology Research Center
2. Korea Electrotechnology Research Institute (KERI)
3. Changwon 642-120, South Korea
4. Center for Integrated Nanostructure Physics
5. Institute for Basic Science
6. Multidimensional Nanomaterials Research Group
7. Department of Energy Science
8. Sungkyunkwan University
9. Suwon 440-746, South Korea