Joo, Sung Joong; Lee, Han Choon; Baek, In Cheol; Shim, Cheonman; Hong, Ji Ho; Han, Jae Won; Kim, Kee Ho; Kim, Youngmin
ArticleIssue Date2007CitationJAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, v.46, no.4B, pp.1947 - 1950PublisherINST PURE APPLIED PHYSICS