1. Department of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
2. Semiconduction R&D Center, Samsung Electronics Co., Ltd., 1, Samsungjeonja-ro, Hwaseong-si, Gyeonggi-do, 18488, Korea
3. IBI-4, Forschungszentrum Juelich GmbH, Wilhelm-Johnen-Straße, Jülich 52425, Germany