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Open Physics

formerly Central European Journal of Physics

Editor-in-Chief: Seidel, Sally

Managing Editor: Lesna-Szreter, Paulina

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Volume 7, Issue 2


Volume 13 (2015)

Study of the island morphology at the early stages of Fe/Mo(110) MBE growth

Dmytro Goykolov / Miroslav Kotrla
Published Online: 2009-04-26 | DOI: https://doi.org/10.2478/s11534-008-0124-z


We present theoretical study of morphology of Fe islands grown at Mo(110) surface in submonolayer MBE mode. We utilize atomistic SOS model with bond counting, and interactions of Fe adatom up to third nearest neighbors. We performed KMC simulations for different values of adatom interactions and varying temperatures. We have found that, while for the low temperature islands are fat fractals, for the temperature 500 K islands have faceted rhombic-like shape. For the higher temperature, islands acquire a rounded shape. In order to evaluate qualitatively morphological changes, we measured average aspect ratio of islands. We calculated dependence of the average aspect ratio on the temperature, and on the strength of interactions of an adatom with neighbors.

PACS: 68.35.Fx; 81.15.Aa; 68.55.A

Keywords: iron on molybdenum; sub-monolayer growth; island shape; solid-on-solid model; KMC simulation

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About the article

Published Online: 2009-04-26

Published in Print: 2009-06-01

Citation Information: Open Physics, Volume 7, Issue 2, Pages 220–226, ISSN (Online) 2391-5471, DOI: https://doi.org/10.2478/s11534-008-0124-z.

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© 2009 Versita Warsaw. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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