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Cited by 2,605

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Doping Graphene with Metal Contacts

Open access
Giovannetti, G., Khomyakov, P. A., Brocks, G., Karpan, V. M., van den Brink, J., Kelly, P. J.·2008·Physical Review Letters

Abstract

Making devices with graphene necessarily involves making contacts with metals. We use density functional theory to study how graphene is doped by adsorption on metal substrates and find that weak bonding on Al, Ag, Cu, Au, and Pt, while preserving its unique electronic structure, can still shift the Fermi level with respect to the conical point by approximately 0.5 eV. At equilibrium separations, the crossover from p-type to n-type doping occurs for a metal work function of approximately 5.4 eV, a value much larger than the graphene work function of 4.5 eV. The numerical results for the Fermi level shift in graphene are described very well by a simple analytical model which characterizes the metal solely in terms of its work function, greatly extending their applicability.

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Metadata

Authors
Giovannetti, G., Khomyakov, P. A., Brocks, G., Karpan, V. M., van den Brink, J., & Kelly, P. J.
Venue
Physical Review Letters
Published
2008-07-10
Volume
101
Issue
2
Pages
026803-026803
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2106298613
Cited by
2,605
References
4
FWCI
48.67
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Doping Graphene with Metal Contacts. https://app.cochat.ai/papers/10.1103/physrevlett.101.026803
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Giovannetti, G., Khomyakov, P. A., Brocks, G., Karpan, V. M., van den Brink, J., & Kelly, P. J. (2008). Doping Graphene with Metal Contacts. Physical Review Letters. https://doi.org/10.1103/physrevlett.101.026803

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

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.