Kim, Sang-Pil, Kim, Byung-Hyun, Kim, Haeri, Lee, Kwang-Ryeol, Chung, Yong-Chae, Seo, Jikeun, Kim, Jae-Sung
ArticleIssue Date2011CitationNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, v.269, no.21, pp.2605 - 2609PublisherELSEVIER SCIENCE BV