1. Center for Opto‐Electronic Materials and Devices Korea Institute of Science and Technology Seoul 02792 Republic of Korea
2. Department of Materials Science and Engineering Seoul National University Seoul 08826 Republic of Korea
3. Center for Neuromorphic Engineering Korea Institute of Science and Technology Seoul 02792 Republic of Korea
4. Division of Nano and Information Technology University of Science and Technology of Korea Daejeon 34113 Republic of Korea
5. Research Institute of Advanced Materials Seoul National University Seoul 08826 Republic of Korea
6. Post‐Silicon Semiconductor Institute Korea Institute of Science and Technology Seoul 02792 Republic of Korea
7. Department of Materials Science and Engineering YU‐KIST Institute Yonsei University Seoul 03722 Republic of Korea
8. Department of Chemical Engineering Inha University Incheon 22212 Republic of Korea