1. IT Nano Electronic Device Laboratory, Department of Electrical and Electronic Engineering, Yonsei University, Seodaemun-gu, South Korea
2. National Center for Nanoprocess and Equipment, Korea Institute of Industrial Technology, Buk-gu, South Korea
3. Electrical Engineering, Changwon National University, Changwon, Korea
4. Department of Smart Manufacturing Engineering, Changwon National University, Changwon, Korea