Exploring and Explaining Friction with the Prandtl-Tomlinson Model

ACS Nano
Udo D Schwarz, Hendrik Hölscher

Abstract

The Prandtl-Tomlinson model of friction, first introduced in 1928 as a "conceptual model" for a single-atom contact, consists of a point mass that is dragged over a sinusoidal potential by a spring. After decades of virtual oblivion, it has recently found impressive validation for contacts comprising tens or even hundreds of atoms. To date, the Prandtl-Tomlinson model enjoys widespread popularity as depicting arguably the most insightful mechanical analogue to atomic-scale effects occurring at sliding interfaces. In this issue of ACS Nano, Pawlak et al. demonstrate the model's applicability to a true single-atom contact, thereby illustrating that simple mechanical representations can indeed go a long way toward explaining interactions at atomically defined interfaces.

References

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Dec 25, 2007·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Hendrik HölscherUdo D Schwarz
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Apr 4, 2015·Science·Udo D Schwarz

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Citations

Mar 29, 2020·Science Advances·Wen WangAndré Schirmeisen
Jun 29, 2021·Frontiers in Chemistry·Shanchao TanQingdao Zeng
Feb 28, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Renato BuzioAntonio Cassinese

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