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
5739-5744
Cammarata, A.
b3bbc67e-d3f7-4c4b-b1c4-5c43946adc21
Polcar, T.
c669b663-3ba9-4e7b-9f97-8ef5655ac6d2
15 June 2015
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), .
(doi:10.1021/acs.inorgchem.5b00431).
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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e-pub ahead of print date: 22 May 2015
Published date: 15 June 2015
Organisations:
nCATS Group
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Local EPrints ID: 379155
URI: http://eprints.soton.ac.uk/id/eprint/379155
ISSN: 0020-1669
PURE UUID: 6043d94f-cdb9-4d82-a302-1ced28a3ce7f
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Date deposited: 24 Jul 2015 08:20
Last modified: 15 Mar 2024 03:40
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Author:
A. Cammarata
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