1. Department of Mechanical and Aerospace Engineering
2. The Hong Kong University of Science and Technology
3. Kowloon
4. Hong Kong
5. Department of Material Science and Engineering
6. Department of Electronic and Computer Engineering
7. KAIST Institute for The Nanocentury
8. Korea Advanced Institute of Science and Technology
9. Daejeon 305-701
10. Republic of Korea
11. School of Science and Engineering