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Tailoring nanoscale friction in MX2 transition metal dichalcogenides

Tailoring nanoscale friction in MX2 transition metal dichalcogenides
Tailoring nanoscale friction in MX2 transition metal dichalcogenides
The lattice dynamics of MX2 transition metal dichalcogenides can be controlled at the atomic scale to improve the frictional behavior. The electro-structural features of the M?X atomic pair are found to determine the lattice frequencies of those phonons affecting the macroscopic friction; the relative contributions are isolated through a new metric, named cophonicity, formulated at the quantum mechanical level. A new protocol to design new tribologic materials is thus proposed
0020-1669
5739-5744
Cammarata, A.
b3bbc67e-d3f7-4c4b-b1c4-5c43946adc21
Polcar, T.
c669b663-3ba9-4e7b-9f97-8ef5655ac6d2
Cammarata, A.
b3bbc67e-d3f7-4c4b-b1c4-5c43946adc21
Polcar, T.
c669b663-3ba9-4e7b-9f97-8ef5655ac6d2

Cammarata, A. and Polcar, T. (2015) Tailoring nanoscale friction in MX2 transition metal dichalcogenides. Inorganic Chemistry, 54 (12), 5739-5744. (doi:10.1021/acs.inorgchem.5b00431).

Record type: Article

Abstract

The lattice dynamics of MX2 transition metal dichalcogenides can be controlled at the atomic scale to improve the frictional behavior. The electro-structural features of the M?X atomic pair are found to determine the lattice frequencies of those phonons affecting the macroscopic friction; the relative contributions are isolated through a new metric, named cophonicity, formulated at the quantum mechanical level. A new protocol to design new tribologic materials is thus proposed

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More information

Published date: 22 May 2015
Organisations: nCATS Group

Identifiers

Local EPrints ID: 379155
URI: https://eprints.soton.ac.uk/id/eprint/379155
ISSN: 0020-1669
PURE UUID: 6043d94f-cdb9-4d82-a302-1ced28a3ce7f
ORCID for T. Polcar: ORCID iD orcid.org/0000-0002-0863-6287

Catalogue record

Date deposited: 24 Jul 2015 08:20
Last modified: 20 Jul 2019 00:43

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Contributors

Author: A. Cammarata
Author: T. Polcar ORCID iD

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