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Cited by 358

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Charging of Metal Atoms on UltrathinMgO/Mo(100)Films

Open access
Pacchioni, Gianfranco, Giordano, Livia, Baistrocchi, Matteo·2005·Physical Review Letters

Abstract

The chemical activity of supported metal nanoclusters is enhanced by electronic charging induced by the interaction with surface defects. We use density functional theory plane wave calculations to show that charging of metal atoms with high electron affinity like Au is possible also in the absence of defects by atom deposition on ultrathin MgO films (1 to 3 layers) grown on Mo(100). The Au 6s level falls below the Fermi level of Mo, leading to electron transfer from Mo to Au by direct tunneling through the insulating MgO film. The effect is not observed for Pd, whose 5s empty level falls just above the Fermi level of Mo, or for thicker MgO films.

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Crossref · 10.1103/physrevlett.94.226104

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Metadata

Authors
Pacchioni, G., Giordano, L., & Baistrocchi, M.
Venue
Physical Review Letters
Published
2005-06-10
Volume
94
Issue
22
Pages
226104-226104
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2019717565
Cited by
358
References
1
FWCI
14.31
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Charging of Metal Atoms on UltrathinMgO/Mo(100)Films. https://app.cochat.ai/papers/10.1103/physrevlett.94.226104
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Pacchioni, G., Giordano, L., & Baistrocchi, M. (2005). Charging of Metal Atoms on UltrathinMgO/Mo(100)Films. Physical Review Letters. https://doi.org/10.1103/physrevlett.94.226104

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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