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The kinetic MC modelling of reversible pattern formation in initial stages of thin metallic film growth on crystalline substrates

Kotomin, EA; Kuzovkov, VN; Zvejnieks, G; Zhukovskii, Y; Fuks, D; Dorfman, S; Stoneham, AM; (2003) The kinetic MC modelling of reversible pattern formation in initial stages of thin metallic film growth on crystalline substrates. Solid State Communications , 125 (9) 463 - 467. 10.1016/S0038-1098(02)00907-9. Green open access

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Abstract

The results of kinetic MC simulations of the reversible pattern formation during the adsorption of mobile metal atoms on crystalline substrates are discussed. Pattern formation, simulated for submonolayer metal coverage, is characterized in terms of the joint correlation functions for a spatial distribution of adsorbed atoms. A wide range of situations, from the almost irreversible to strongly reversible regimes, is simulated. We demonstrate that the patterns obtained are defined by a key dimensionless parameter: the ratio of the mutual attraction energy between atoms to the substrate temperature. Our ab initio calculations for the nearest Ag-Ag adsorbate atom interaction on an MgO substrate give an attraction energy as large as 1.6 eV, close to that in a free molecule. This is in contrast to the small Ag adhesion and migration energies (0.23 and 0.05 eV, respectively) on a defect-free MgO substrate. (C) 2003 Elsevier Science Ltd. All rights reserved.

Type: Article
Title: The kinetic MC modelling of reversible pattern formation in initial stages of thin metallic film growth on crystalline substrates
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/S0038-1098(02)00907-9
Publisher version: http://dx.doi.org/10.1016/S0038-1098(02)00907-9
Language: English
Additional information: Text made available to UCL Discovery by kind permission of Elsevier B.V., 2012
Keywords: Surfaces and interfaces, crystal growth, kinetic properties, SURFACE-REACTIONS, DEFECT SITES, NUCLEATION, CLUSTERS, OXIDE
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/53161
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