Estimation of the Electron–Phonon Coupling Constants for Graphene and Metallic and Nonmetallic Substrates


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Two modes of graphene–substrate interaction have been considered: a weak van der Waals bond and a strong covalent bond. The Lennard–Jones potential and Harrison bond-orbital method are used in the former and latter cases, respectively. Analytical expressions for the electron–phonon interaction constants, which contain only two parameters (binding energy EB for graphene and a substrate and distance d between them) have been obtained. The constants have been calculated for metallic, semiconductor, and dielectric substrates.

Sobre autores

S. Davydov

Ioffe Institute; ITMO University

Autor responsável pela correspondência
Email: Sergei_Davydov@mail.ru
Rússia, St. Petersburg, 194021; St. Petersburg, 197101

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