Affiliation: | 1. Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), Suwon, Republic of Korea;2. Department of Energy Science, Sungkyunkwan University, Suwon, Republic of Korea;3. Department of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon, Republic of Korea;4. Korea Electronics Technology Institute, Seongnam, Republic of Korea |