Kim, Seonkyu; Lee, Se Byeong; Yoo, Seung Hoon; Cho, Sungkoo; Kim, Dong Wook; Shin, Dongho; Park, Sung Yong; Kim, Chan Hyeong; Lee, Sang Hoon
ArticleIssue Date2012CitationJAPANESE JOURNAL OF APPLIED PHYSICS, v.51, no.4, pp.1 - 9PublisherIOP PUBLISHING LTD