Adsorbate-limited conductivity of graphene

John P. Robinson; Henning Schomerus; László Oroszlány; Vladimir I. Fal'Ko

doi:10.1103/PhysRevLett.101.196803

Adsorbate-limited conductivity of graphene

John P. Robinson
, Henning Schomerus
, László Oroszlány
, Vladimir I. Fal'Ko

Lancaster University

Research output: Contribution to journal › Article › peer-review

Abstract

We present a theory of electronic transport in graphene in the presence of randomly placed adsorbates. Our analysis predicts a marked asymmetry of the conductivity about the Dirac point, as well as a negative weak-localization magnetoresistivity. In the region of strong scattering, renormalization group corrections drive the system further towards insulating behavior. These results explain key features of recent experiments, and are validated by numerical transport computations.

Original language	English
Article number	196803
Journal	Physical Review Letters
Volume	101
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.101.196803
Publication status	Published - 5 Nov 2008

Research Highlights, Institutes and Platforms

National Graphene Institute

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10.1103/PhysRevLett.101.196803

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title = "Adsorbate-limited conductivity of graphene",

abstract = "We present a theory of electronic transport in graphene in the presence of randomly placed adsorbates. Our analysis predicts a marked asymmetry of the conductivity about the Dirac point, as well as a negative weak-localization magnetoresistivity. In the region of strong scattering, renormalization group corrections drive the system further towards insulating behavior. These results explain key features of recent experiments, and are validated by numerical transport computations.",

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AB - We present a theory of electronic transport in graphene in the presence of randomly placed adsorbates. Our analysis predicts a marked asymmetry of the conductivity about the Dirac point, as well as a negative weak-localization magnetoresistivity. In the region of strong scattering, renormalization group corrections drive the system further towards insulating behavior. These results explain key features of recent experiments, and are validated by numerical transport computations.

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Adsorbate-limited conductivity of graphene

Abstract

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