We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDirect observation of a widely tunable bandgap in bilayer graphene.AuthorsYuanbo Zhang; Tsung-Ta Tang; Girit, Caglar; Zhao Hao; Martin, Michael C.; Zettl, Alex; Crommie, Michael F.; Shen, Y. Ron; Feng WangPublicationNature, 2009, Vol 459, Issue 7248, p820ISSN0028-0836Publication typearticleDOI10.1038/nature08105