1. Inter-University Semiconductor Research Center and School of Electrical and Computer Engineering
2. Seoul National University
3. Seoul 08826
4. Republic of Korea
5. Department of Mechanical Engineering
6. Pohang University of Science and Technology (POSTECH)
7. Pohang 37673
8. Interdisciplinary Program of Biomedical Mechanical & Electrical Engineering and School of Electrical Engineering
9. Pukyong National University
10. Busan 48513
11. Department of Materials Science and Engineering
12. Department of Chemical Engineering