1. Department of Physics
2. Ewha Womans University
3. Seoul 03760
4. Republic of Korea
5. Department of Applied Physics
6. Kyung Hee University
7. Yongin 17104
8. Department of Physics and Energy Harvest Storage Research Center
9. University of Ulsan
10. Ulsan 44610
11. Department of Nano-Manufacturing Technology
12. Korea Institute of Machinery and Materials (KIMM)
13. Daejeon 34103
14. Measurement and Analysis Division
15. National Nanofab Center
16. Daejeon 34141