1. Graphene/2D Materials Research Center School of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro Yuseong‐gu Daejeon 34141 Republic of Korea
2. Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro Yuseong‐gu Daejeon 34141 Republic of Korea
3. Convergence Semiconductor Research Center, School of Electronics and Electrical Engineering Dankook University 152 Jukjeon‐ro, Suji‐gu Yongin‐si Gyeonggi‐do 16890 Republic of Korea
4. Graduate School of Semiconductor Materials and Devices Engineering Ulsan National Institute of Science and Technology (UNIST) 50 UNIST‐gil, Eonyang‐eup Ulju‐gun Ulsan 44919 Republic of Korea