paper

Intrinsic Terahertz Plasmons and Magnetoplasmons in Large Scale Monolayer Graphene

arXiv:1204.4372 · doi:10.1021/nl300572y

Abstract

We show that in graphene epitaxially grown on SiC the Drude absorption is transformed into a strong terahertz plasmonic peak due to natural nanoscale inhomogeneities, such as substrate terraces and wrinkles. The excitation of the plasmon modifies dramatically the magneto-optical response and in particular the Faraday rotation. This makes graphene a unique playground for plasmon-controlled magneto-optical phenomena thanks to a cyclotron mass 2 orders of magnitude smaller than in conventional plasmonic materials such as noble metals.

arXiv commentto appear in Nano Letters

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