Observation of the Amontons-Coulomb law on the nanoscale: Frictional forces between flakes and surfaces

K. Miura; S. Kamiya

doi:10.1209/epl/i2002-00439-9

All issues

Volume 58 / No 4 (May 2002)

Europhys. Lett., 58 4 (2002) 610-615

Abstract

Issue		Europhys. Lett. Volume 58, Number 4, May 2002


Page(s)		610 - 615
Section		Interdisciplinary physics and related areas of science and technology
DOI		https://doi.org/10.1209/epl/i2002-00439-9
Published online		01 May 2002

Europhys. Lett., 58 (4), pp. 610-615 (2002)

Observation of the Amontons-Coulomb law on the nanoscale: Frictional forces between $\chem{MoS_2}$ flakes and $\chem{MoS_2}$ surfaces

K. Miura and S. Kamiya

Department of Physics, Aichi University of Education Hirosawa 1, Igaya-cho, Kariya 448-8542, Japan

Received: 3 December 2001
Accepted: 21 February 2002

Abstract

The MoS₂ flake moves on MoS₂ in such a way that the stacking of the sulphur basal plane of MoS₂ is maintained. The frictional forces between MoS₂ surfaces are clearly proportional to the loading force although they depend strongly on the movement of the MoS₂ flake. The Amontons-Coulomb law is excellently satisfied at loading forces in the range of 1–120 nanonewtons. The frictional coefficient between MoS₂ surfaces along the direction [ 10 $\bar{1}$ 0] of the MoS₂(0001) surface is estimated to be approximately 0.003.

PACS: 81.40.Pq – Friction, lubrication, and wear / 68.37.Ef – Scanning tunneling microscopy (including chemistry induced with STM)

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