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000201500 1001_ $$0P:(DE-HGF)0$$aKhomenko, A. V.$$b0$$eCorresponding Author
000201500 245__ $$aAtomistic modelling of friction of Cu and Au nanoparticles adsorbed on graphene
000201500 260__ $$aLviv$$bInst.$$c2013
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000201500 520__ $$aWe present classical molecular dynamics calculations of the behavior of copper and gold nanoparticles on a graphene sheet, sheared with a constant applied force Fa. The force Fs acting on the particle from the substrate depends on the material of the nanoparticles (Au or Cu), and exhibits a sawtooth dependency on time, which we attribute to local commensurability between the metal nanoparticle surface atomic positions with the graphene lattice. The time-averaged value of Fs (the friction force) acting on Au nanoparticles increases linearly with the contact area, having slopes close to the experimentally observable ones. A qualitative model is proposed to explain the observed results. 
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000201500 7001_ $$0P:(DE-HGF)0$$aProdanov, N. V.$$b1
000201500 7001_ $$0P:(DE-Juel1)130885$$aPersson, Bo$$b2$$ufzj
000201500 773__ $$0PERI:(DE-600)2025237-7$$a10.5488/CMP.16.33401$$gVol. 16, no. 3, p. 33401 -$$n3$$p33401$$tCondensed matter physics$$v16$$x1607-324X$$y2013
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