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Su F, Ma H, Han X, Chen HH, Tian B.Su F, et al. Among authors: chen hh.Appl Phys Lett. 2012 Sep 10;101(11):113702. doi: 10.1063/1.4752253.Appl Phys Lett. 2012.PMID: 23093807Free PMC article.
Ji Y, Wilson C, Chen HH, Ma H.Ji Y, et al. Among authors: chen hh.Nanoscale Res Lett. 2011 Apr 5;6(1):296. doi: 10.1186/1556-276X-6-296.Nanoscale Res Lett. 2011.PMID: 21711830Free PMC article.