Electron Scattering by Small Radius Defects and Graphene Resistivity

Electron scattering by short-range defects in planar monolayer graphene is considered. This interaction is approximated by the delta-like potential concentrated on a circumference with a small radius, which provides the suppression of nonphysical shortwave modes. The contribution of this scattering...

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Bibliographic Details
Published inPhysics of the solid state Vol. 61; no. 4; pp. 609 - 613
Main Authors Firsova, N. E., Ktitorov, S. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.04.2019
Springer
Springer Nature B.V
Subjects
ANNEALING
APPROXIMATIONS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DEFECTS
Electric properties
Electrical resistivity
ELECTRONS
EXPERIMENTAL DATA
GRAPHENE
Graphite
Impurity Centers
Monolayers
Physics
Physics and Astronomy
SCATTERING
Solid State Physics
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Summary:Electron scattering by short-range defects in planar monolayer graphene is considered. This interaction is approximated by the delta-like potential concentrated on a circumference with a small radius, which provides the suppression of nonphysical shortwave modes. The contribution of this scattering to the graphene resistance is analyzed. The obtained results agree well with the experiment on suspended annealed monolayer graphene. This makes it possible to determine parameters of the approximating potential based on experimental data about the graphene resistivity, which is important for applications.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783419040115