kyusung.hwang@khu.ac.kr
Department of Applied Physics
College of Applied Sciences
Kyung Hee University, Global Campus
1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, Korea
kyusung.hwang@khu.ac.kr
Department of Applied Physics
College of Applied Sciences
Kyung Hee University, Global Campus
1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, Korea