1. Department of Nano & Semiconductor Engineering Korea Polytechnic University Siheung Gyeonggi‐do 15073 Republic of Korea
2. Department of IT ∙ Semiconductor Convergence Engineering Korea Polytechnic University Siheung Gyeonggi‐do 15073 Republic of Korea
3. Department of Material Science and Chemical Engineering Hanyang University Ansan 15588 Republic of Korea