Email this article Effect of Electron–Phonon Interaction on the Conductivity and Work Function of Epitaxial Graphene
- Authors: Davydov S.Y.1,2
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Affiliations:
- Ioffe Institute
- St. Petersburg National Research University of Information Technologies, Mechanics, and Optics
- Issue: Vol 52, No 7 (2018)
- Pages: 921-925
- Section: Carbon Systems
- URL: https://journal-vniispk.ru/1063-7826/article/view/203713
- DOI: https://doi.org/10.1134/S1063782618070047
- ID: 203713
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Abstract
In the context of the cluster model of epitaxial graphene, the condition for a stepwise change in the charge of carbon atoms under the action of graphene–substrate electron–phonon interaction and an external electric field is derived. Such charge transfer brings about corresponding steps of the static conductivity and work function of epitaxial graphene. Numerical estimates for the case of weak coupling of quasi-free graphene with metal and semiconductor substrates are given.
About the authors
S. Yu. Davydov
Ioffe Institute; St. Petersburg National Research University of Information Technologies, Mechanics, and Optics
Author for correspondence.
Email: Sergei_Davydov@mail.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101
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