1. Department of Physics, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, South Korea
2. Department of Electronic Science, University of Delhi South Campus, Benito Juarez Road, New Delhi 110021, India
3. IV Works Co., Ltd., 10-27 Expo-ro 339 beon-gil, Yuseong-gu, Daejeon 34122, South Korea
4. School of Electrical Engineering, Hanyang University, 55 Hanyangdeahak-ro, Sangnok-gu, Ansan, Gyeonggi-do 15588, South Korea