publication . Article . Preprint . 2012

Strain induced adatom correlations

Wolfgang Kappus;
Open Access
  • Published: 01 Aug 2012 Journal: Surface Science, volume 606, pages 1,842-1,854 (issn: 0039-6028, Copyright policy)
  • Publisher: Elsevier BV
Abstract
A Born-Green-Yvon type model for adatom density correlations is combined with a model for adatom interactions mediated by the strain in elastic anisotropic substrates. The resulting nonlinear integral equation is solved numerically for coverages from zero to a limit given by stability constraints. W, Nb, Ta and Au surfaces are taken as examples to show the effects of different elastic anisotropy regions. Results of the calculation are shown by appropriate plots and discussed. A mapping to superstructures is tried. Corresponding adatom configurations from Monte Carlo simulations are shown.
Persistent Identifiers
Subjects
arXiv: Condensed Matter::Materials Science
free text keywords: Condensed Matter - Materials Science, Elasticity (economics), Stability constraints, Monte Carlo method, Elastic anisotropy, Strain (chemistry), Chemistry, Condensed matter physics, Anisotropy, Nonlinear integral equation
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