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《固体力学学报(英文版)》 2017-03
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Interlayer shear of nanomaterials:Graphene–graphene,boron nitride–boron nitride and graphene–boron nitride

Yinfeng Li;Weiwei Zhang;Bill Guo;Dibakar Datta;Department of Engineering Mechanics, School of Naval Architecture, Ocean and Civil Engineering (State Key Laboratory of Ocean Engineering, Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration),Shanghai Jiao Tong University;Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Nanjing University of Aeronautics and Astronautics;Department of Materials Science and Engineering, University of Pennsylvania;Department of Mechanical and Industrial Engineering, Newark College of Engineering, New Jersey Institute of Technology;  
In this paper, the interlayer sliding between graphene and boron nitride(h-BN) is studied by molecular dynamics simulations. The interlayer shear force between h-BN/h-BN is found to be six times higher than that of graphene/graphene, while the interlayer shear between graphene/h-BN is approximate to that of graphene/graphene. The graphene/hBN heterostructure shows several anomalous interlayer shear characteristics compared to its bilayer counterparts. For graphene/graphene and h-BN/h-BN, interlayer shears only exit along the sliding direction while interlayer shear for graphene/h-BN is observed along both the translocation and perpendicular directions. Our results provide significant insight into the interlayer shear characteristics of 2D nanomaterials.
【Key Words】: Friction Interlayer shear Graphene Hexongal boron nitride Molecular dynamics
【Fund】: the start-up funding from the Department of Mechanical and Industrial Engineering at the New Jersey In stitute of Technology (NJIT);; funded by the Little John fellowship at the University of Pennsylvania;; National Scientific Foundation of China (no. 11402145 )
【CateGory Index】: TB383.1
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