Lim, Kwan Yong; Lee, Jung ho; Cho, Heung Jae; Oh, Jae geun; Hong, Byung seop; Jang, Se aug; Kim, Yong soo; Yang, Hong seon; Sohn, Hyun chul
ArticleIssue Date2004CitationJapanese Journal of Applied Physics, v.43, no.4B, pp.1829 - 1832PublisherIOP Publishing Ltd