1. Department of Applied Physics, Kyung Hee University, Gyeonggi-do 17104, Republic of Korea
2. Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
3. Department of Physics, KAIST, Daejeon 34141, Republic of Korea
4. Hexa Solution Co., Ltd., Gyeonggi-do 16229, Republic of Korea
5. Energy Semiconductor Research
Center, Advanced Institutes of Convergence Technology, Seoul National University, Gyeonggi-do 16229, Republic of Korea
6. Semicon Light Co., Ltd., Gyeonggi-do 17086, Republic of Korea