Lee, Ah Rahm; Bae, Yoon Cheol; Baek, Gwang Ho; Chung, Je Bock; Kang, Tae Sung; Lee, Jong Sun; Park, Jea-Gun; Im, Hyun Sik; Hong, Jin Pyo
ArticleIssue Date2013CitationApplied Physics Letters, v.103, no.18, pp 1 - 5PublisherAmerican Institute of Physics