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Potential of lateral interactions of CO on Pt (111) fitted to recent STM images

Myshlyavtsev, Alexander V. and Stishenko, Pavel V. 2015. Potential of lateral interactions of CO on Pt (111) fitted to recent STM images. Surface Science 642 , pp. 51-57. 10.1016/j.susc.2015.08.018

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Monolayers of carbon monoxide (CO) on Pt(111) surfaces are one of the most studied adsorption systems. However, molecular models of this system still do not take into account the reliable potential of lateral interactions between adsorbed CO molecules. Recent advances in experimental technique have brought high-resolution real-space images of CO/Pt(111) monolayers. For example, Yang et al. (J. Phys. Chem. C 117 (2013) 16429–16437) found island structures for coverages from 0.11 to 0.25 ML. In this study we have shown that these island structures can be explained with long-range oscillating lateral interactions. Parameters of the proposed potential were fitted to experimental scanning tunneling microscopy images with a series of Monte Carlo simulations.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Publisher: Elsevier
ISSN: 0039-6028
Last Modified: 04 Oct 2021 10:30

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