Charge density and conductivity of disordered Berry-Mondragon graphene nanoribbons

Carlota Beneventano, Ignat Fialkovsky (), Eve Santangelo and Dmitri Vassilevich

The European Physical Journal B: Condensed Matter and Complex Systems, 2014, vol. 87, issue 3, 1-9

Abstract: We consider gated graphene nanoribbons subject to Berry-Mondragon boundary conditions in the presence of weak impurities. Using field-theoretical methods, we calculate the density of charge carriers (and, thus, the quantum capacitance) as well as the optical and DC conductivities at zero temperature. We discuss in detail their dependence on the gate (chemical) potential, and reveal a non-linear behaviour induced by the quantization of the transversal momentum. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1140/epjb/e2014-40990-x

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