Jeong, Da-Woon; Choi, Hong Chul; Kim, Choong H.; Chang, Seo Hyoung; Sohn, Chang Hee; Park, Hyun-Ju; Kang, Tae-Dong; Cho, Deok-Yong; Baek, Seung Hyub; Eom, Chang Beom, et al.
ArticleIssue Date2013CitationPHYSICAL REVIEW LETTERS, v.110, no.24, pp.1 - 5PublisherAMER PHYSICAL SOC