1. Department of Physics, Sungkyunkwan University, 2066, Seobu-ro,
Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
2. Wonik IPS Semiconductor Research Center, 75, Jinwisandan-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do 17709, Republic of Korea
3. Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea