Dao, VA[Dao, Vinh Ai]; Van Duy, N[Van Duy, Nguyen]; Heo, J[Heo, Jongkyu]; Choi, H[Choi, Hyungwook]; Kim, Y[Kim, Youngkuk]; Lakshminarayan[Lakshminarayan]; Yi, J[Yi, Junsin]
ArticleIssue Date2009CitationJAPANESE JOURNAL OF APPLIED PHYSICS, v.48, no.6PublisherIOP PUBLISHING LTD