1. Department of Nanomechanics
2. Nano-Convergence Mechanical Systems Research Division
3. Korea Institute of Machinery & Materials (KIMM)
4. Daejeon 305-343, Republic of Korea
5. Department of Mechanical Engineering
6. Korea Advanced Institute of Science and Technology (KAIST)
7. Daejeon 34141, Republic of Korea
8. Department of Materials Science and Engineering
9. Chungnam National University
10. Daejeon 305-764, Republic of Korea