Kim, Doo-Hyun; Kim, Dong-Woo; Kim, Keon-Soo; Kim, Hyoung-Jin; Moon, Ji-Sin; Hong, Mun-Pyo; Kim, Bo-Sung; Shin, Jung-Han; Kim, Young-Min; Song, Keun-Kyu, et al.
ArticleIssue Date2008CitationJAPANESE JOURNAL OF APPLIED PHYSICS, v.47, no.7, pp.5672 - 5675PublisherIOP PUBLISHING LTD