Cho, Heung Jae; Jang, Se-Aug; Kim, Yong Soo; Lim, Kwan-Yong; Oh, Jae-Geun.; Lee, Jung-Ho; Park, Tae-Su; Back, Tae-Sun; Yang, Jun-Mo; Yang, Hong-Seon, et al.
ArticleIssue Date2005CitationJapanese Journal of Applied Physics, v.44, no.4 B, pp.2221 - 2224PublisherIOP Publishing Ltd