Jeong, Hyunhak; Hwang, Wang-Taek; Kim, Pilkwang; Kim, Dongku; Jang, Yeonsik; Min, Misook; Xiang, Dong; Song, Hyunwook; Park, Yun Daniel; Jeong, Heejun, et al.
ArticleIssue Date2015CitationApplied Physics Letters, v.106, no.6, pp.1 - 6PublisherAmerican Institute of Physics