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