Gwangju Institute of Science and Technology (GIST), Korea Advanced Institute of Science and Technology (KAIST) - Department of Materials Science and Engineering, Amrita University - Amrita Vishwa Vidyapeetham, Gwangju Institute of Science and Technology (GIST), Pohang University of Science and Technology (POSTECH) - Pohang Accelerator Laboratory, Gwangju Institute of Science and Technology (GIST), Gwangju Institute of Science and Technology (GIST), Gwangju Institute of Science and Technology (GIST), Korea Advanced Institute of Science and Technology (KAIST) - Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) - Department of Physics, Kangwon National University and Gwangju Institute of Science and Technology (GIST)