Ratchet effect in graphene with trigonal clusters

Sergei Koniakhin ()

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

Abstract: In this study, we explore the ratchet effect in graphene with artificial, triangular scatterers from a theoretical standpoint. It is demonstrated that the skew scattering of carriers by such coherently oriented defects results in the ratchet effect in graphene, i.e., in a direct current under the action of an oscillating electric field. Scattering on various types of defects exhibiting threefold symmetry is considered in this paper: scattering on a cluster in the shape of a solid triangle in the classical and quantum mechanical limits, and scattering on three-point defects placed at the corners of a triangle. The DC current is calculated for a classical range of oscillating field frequencies. 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/e2014-50434-4

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