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Bibliographic record number: 231861

Journal

Authors: Lazić, Predrag; Crljen, Željko; Brako, Radovan; Gumhalter, Branko
Title: Role of van der Waals interactions in adsorption of Xe on Cu(111) and Pt(111)
( Role of van der Waals interactions in adsorption of Xe on Cu(111) and Pt(111) )
Source: Physical review. B, Condensed matter and materials physics (1098-0121) 72 (2005), 24;
Paper type: article
Keywords: van der Waals interactions ; Xe adsorption ; Cu surface ; Pt surface
( van der Waals interactions ; Xe adsorption ; Cu surface ; Pt surface )
Abstract:
We consider some recently developed schemes for treating van der Waals interactions within the density functional theory on the widely discussed example of adsorption of Xe on Cu(111) and Pt(111) surfaces. Consistent with the overall weakness of the Xe-surface and Xe-Xe interactions we assess the performance of the schemes that are appropriate to systems consisting of nearly isolated fragments in which the coefficients of the van der Waals expansion are deduced from DFT calculations. Such generalized DFT calculations of potential energy surfaces yield the structure of Xe adlayers in good agreement with experiments and retrieve the dilation of commensurate monolayer phase in which the intralayer Xe-Xe radial force constants are strongly reduced. This provides a first principles interpretation of the observed vibrational properties of adlayers, in general, and the much debated dispersion of in-plane polarized vibrations, in particular.
Project / theme: 0035017, 0098001
Original language: eng
Citation databases: Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Category: Znanstveni
Research fields:
Physics
URL: https://doi.org/10.1103/PhysRevB.72.245407
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.72.245407
Broj citata:
Altmetric:
DOI: 10.1103/PhysRevB.72.245407
URL cjelovitog rada:
Google Scholar: Role of van der Waals interactions in adsorption of Xe on Cu(111) and Pt(111)



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