Choi, Ki Young; Lee, Seulki; Park, Kyeongsoon; Kim, Kwangmeyung; Park, Jae Hyung; Kwon, Ick Chan; Jeong, Seo Young
ArticleIssue Date2008CitationJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, v.69, no.5-6, pp 1591 - 1595PublisherPERGAMON-ELSEVIER SCIENCE LTD