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      Interfacial Properties of Bilayer and Trilayer Graphene on Metal Substrates

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          Abstract

          One popular approach to prepare graphene is to grow them on transition metal substrates via chemical vapor deposition. By using the density functional theory with dispersion correction, we systematically investigate for the first time the interfacial properties of bilayer (BLG) and trilayer graphene (TLG) on metal substrates. Three categories of interfacial structures are revealed. The adsorption of B(T)LG on Al, Ag, Cu, Au, and Pt substrates is a weak physisorption, but a band gap can be opened. The adsorption of B(T)LG on Ti, Ni, and Co substrates is a strong chemisorption, and a stacking-insensitive band gap is opened for the two uncontacted layers of TLG. The adsorption of B(T)LG on Pd substrate is a weaker chemisorption, with a band gap opened for the uncontacted layers. This fundamental study also helps for B(T)LG device study due to inevitable graphene/metal contact.

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          Author and article information

          Journal
          Sci Rep
          Sci Rep
          Scientific Reports
          Nature Publishing Group
          2045-2322
          27 June 2013
          2013
          : 3
          Affiliations
          [1 ]State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University , Beijing 100871, P. R. China
          [2 ]Academy for Advanced Interdisciplinary Studies, Peking University , Beijing 100871, P. R. China
          [3 ]Department of Physics, University of Nebraska at Omaha , Omaha, Nebraska 68182-0266
          [5 ]These authors contributed equally to this work.
          Author notes
          Article
          srep02081
          10.1038/srep02081
          3694290
          23803738
          Copyright © 2013, Macmillan Publishers Limited. All rights reserved

          This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/

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