Systematic study of the effect of disorder on nanotribology of self-assembled monolayers

M. Chandross; E. B. Webb; M. J. Stevens; G. S. Grest; S. H. Garofalini

doi:10.1103/PhysRevLett.93.166103

Systematic study of the effect of disorder on nanotribology of self-assembled monolayers

M. Chandross, E. B. Webb, M. J. Stevens, G. S. Grest, S. H. Garofalini

Rutgers University

Research output: Contribution to journal › Article › peer-review

68 Citations (Scopus)

Abstract

The adhesion and friction between ordered and disordered self-assembled monolayers was studied using molecular dynamics. Investigations show that the disorder was introduced by randomly removing chains from a well ordered crystalline substrate. It was found that the adhesion force between the monolayers at a given separation increased monotonically with chain length at full coverage. The results show that the friction becomes insensitive to chain length, defect density and substrate with random defects.

Original language	English
Article number	166103
Pages (from-to)	166103-1-166103-4
Journal	Physical review letters
Volume	93
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.93.166103
Publication status	Published - Oct 15 2004

ASJC Scopus subject areas

Physics and Astronomy(all)

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