Woo, Sanghyun; Hong, Hyunseok; Kim, Seokhoon; Kim, Hyungchul; Kim, Jinwoo; Jeon, Hyeongtag; Bae, Choelhwyi; Okada, Takayuki; Sawada, Kazuaki; Ishida, Makoto
ArticleIssue Date2008CitationJapanese Journal of Applied Physics, v.47, no.8, pp 6196 - 6199PublisherIOP Publishing Ltd