Lee, Dea Uk; Yun, Dong Yeol; Kim, Tae Whan; Park, Seoung-Hwan; Choi, Donghyeuk; Kim, Sang Wook; Yoo, Keon-Ho; Lee, Hong Seok; Kwon, Young Hae; Kang, Tae Won
ArticleIssue Date2015CitationAPPLIED PHYSICS EXPRESS, v.8, no.6, pp.1 - 4PublisherIOP PUBLISHING LTD