1. Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX, USA
2. Department of Semiconductor Materials and Applications, Seongnam Campus, Korea Polytechnics, Seongnam-si, Republic of Korea
3. Korea Advanced Nano Fab Center (KANC), Suwon-si, Republic ofKorea
4. Department of Semiconductor Process Equipment, Semiconductor Convergence Campus, Korea Polytechnics, Anseong-si, Republic of Korea