1. School
of Materials Science and Engineering, Low-Dimensional Carbon Materials
Research Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan Metropolitan City, 689-798, Republic of Korea
2. Nano-Convergence
Devices Research Group, School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan Metropolitan City, 689-798, Republic of Korea
3. Creative
and Fundamental Research Division, Korea Electrotechnology Research Institute, Changwon, 642-120, Republic of Korea
4. School
of Electrical and Computer Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan Metropolitan City, 689-798, Republic of Korea