2021
DOI: 10.1007/s11249-021-01523-w
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Prandtl–Tomlinson-Type Models for Molecular Sliding Friction

Abstract: A model sliding potential, based on Prandtl-Tomlinson type models, is proposed for analyzing the temperature-and velocity-dependences of sliding processes at the interface between a tip and an adsorbed molecular layer. The proposed simple periodic potential has a parabolic form up to a critical distance, corresponding to the onset of detachment, at which point it becomes flat. The simplicity of the model will enable it to be used to analyze complex molecular interfaces, such as molecular films, mechanically in… Show more

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Cited by 5 publications
(2 citation statements)
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“…The latter are more complicated because, unless the experiment is designed to impose a static shear, the rates will be velocity (as well as stress and temperature) dependent. [58][59][60] Theoretical and experimental methods Density functional theory (DFT) calculations of methyl thiolate overlayers on Cu(100) were performed by the projector augmented wave method 61,62 as implemented using the Vienna Ab initio Simulation Package (VASP). [63][64][65] The exchange-correlation potential was described using the generalized-gradient approximation of Perdew, Burke and Ernzerhof.…”
Section: Background: the Mechanochemical Reaction Pathwaymentioning
confidence: 99%
See 1 more Smart Citation
“…The latter are more complicated because, unless the experiment is designed to impose a static shear, the rates will be velocity (as well as stress and temperature) dependent. [58][59][60] Theoretical and experimental methods Density functional theory (DFT) calculations of methyl thiolate overlayers on Cu(100) were performed by the projector augmented wave method 61,62 as implemented using the Vienna Ab initio Simulation Package (VASP). [63][64][65] The exchange-correlation potential was described using the generalized-gradient approximation of Perdew, Burke and Ernzerhof.…”
Section: Background: the Mechanochemical Reaction Pathwaymentioning
confidence: 99%
“…The latter are more complicated because, unless the experiment is designed to impose a static shear, the rates will be velocity (as well as stress and temperature) dependent. 58–60…”
Section: Background: the Mechanochemical Reaction Pathwaymentioning
confidence: 99%