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          Institute: MPI für Plasmaphysik     Collection: Articles, Books, Inbooks     Display Documents



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ID: 21048.0, MPI für Plasmaphysik / Articles, Books, Inbooks
(root 3x root 3)R30 degrees-(K+CO) coadsorption structure on Pt(111): Experiment and theory
Authors:More, S.; Seitsonen, A. P.; Berndt, W.; Bradshaw, A. M.
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Physical Review B
Journal Abbrev.:Phys. Rev. B
Volume:66
Issue / Number:16
Sequence Number of Article:165424
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We report joint experimental and theoretical investigations of the (root3xroot3)R30degrees-(K+CO) coadsorption phase on Pt(111). The studies were performed with low-energy electron diffraction structural analysis and density functional theory calculations based on the generalized gradient approximation. The measured and calculated adsorption geometries agree quantitatively. Both CO and K are found to occupy threefold symmetric hcp hollow sites. The internal C-O bond elongates upon the coadsorption of K with respect to the pure CO/Pt(111) phase, and likewise the K-surface separation increases with respect to the (root3xroot3)R30degrees-K phase on Pt(111).
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Plasmaphysik/Office of the Director
External Affiliations:UVSOR, Inst Mol Sci, Aichi 4448585, Japan; Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany; Univ Roma La Sapienza, Ist Nazl Fis Mat, Unita Roma, I-00185 Rome, Italy
Identifiers:ISI:000179286400134
ISSN:0163-1829
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