Friction on adsorbed monolayers

descriptionPublicationkeyboard_double_arrow_right Article 15 Sep 1996 English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 54, pages 8,252-8,260 (issn: 0163-1829, eissn: 1095-3795,

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Authors: , Smith; , Robbins; , Cieplak;

doi: 10.1103/physrevb.54.8252

pmid: 9984509

Friction on adsorbed monolayers

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Abstract

Molecular-dynamics simulations and analytical calculations are used to investigate the mechanism of energy dissipation in monolayer films sliding across a substrate. An explanation is given for the viscous friction found experimentally in both fluid and incommensurate solid adsorbates, and for the observation that solids slide more easily than fluids. We show that anharmonic coupling of phonons in the adsorbed monolayer can account for the rate of energy dissipation seen in these experiments. @S0163-1829~96!04935-1#

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