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Adsorbate-limited conductivity of graphene

Research output: Contribution to journalJournal article

Published

Article number196803
Journal publication date5/11/2008
JournalPhysical Review Letters
Journal number19
Volume101
Number of pages4
Original languageEnglish

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.

Bibliographic note

© 2008 The American Physical Society