Woo, Hyeonseok; Lee, Jongkyong; Jo, Yongcheol; Han, Jaeseok; Kim, Jongmin; Kim, Hyungsang; Roh, Cheong Hyun; Lee, Jun Ho; Park, Jungho; Hahn, Cheol-Koo, et al.
ArticleIssue Date2015CitationCURRENT APPLIED PHYSICS, v.15, no.9, pp.1027 - 1031PublisherELSEVIER SCIENCE BV