Lee, You-Jin; Lee, Tae-Hee; Jung, Jodg-Wook; Kim, Hak-Rin; Choi, Yoonseuk; Kang, Sung-Gon; Yang, Young-Chol; Shin, Seongsik; Kim, Jae-Hoon
ArticleIssue Date2006CitationJapanese Journal of Applied Physics, v.45, no.10A, pp 7827 - 7830PublisherIOP Publishing Ltd