1. Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu Seoul, 02841, Republic of Korea
2. School of Electrical Engineering, Korea University, 145, Anam-ro Seongbuk-gu Seoul, 02841, Republic of Korea
3. Department of Electrical and Computer Engineering, Inter-university Semiconductor Research Center, and Soft Foundry Institute, Seoul National University, Seoul 08826, Republic of Korea