Lee, SH[Lee, Seung Hwan]; Choi, MS[Choi, Min Sup]; Lee, J[Lee, Jia]; Ra, CH[Ra, Chang Ho]; Liu, X[Liu, Xiaochi]; Hwang, E[Hwang, Euyheon]; Choi, JH[Choi, Jun Hee]; Zhong, JQ[Zhong, Jianqiang]; Chen, W[Chen, Wei]; Yoo, WJ[Yoo, Won Jong]
ArticleIssue Date2014CitationAPPLIED PHYSICS LETTERS, v.104, no.5