Cho, Tae hee; Kim, Jong wook; Oh, Jae Eung; Choe, Jeong woo; Hong, songcheol
ArticleIssue Date1999CitationJAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, v.38, no.4B, pp.2442 - 2444PublisherJAPAN J APPLIED PHYSICS