Guiding of Electrons in a Few-Mode Ballistic Graphene Channel

URN to cite this document:: urn:nbn:de:bvb:355-epub-324279
DOI to cite this document:: 10.5283/epub.32427

Rickhaus, Peter

; Liu, Ming-Hao

; Makk, Péter ; Maurand, Romain

; Hess, Samuel ; Zihlmann, Simon

; Weiss, Markus

; Richter, Klaus ; Schönenberger, Christian

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Date of publication of this fulltext: 17 Sep 2015 11:10

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Abstract

In graphene, the extremely fast charge carriers can be controlled by electron-optical elements, such as waveguides, in which the transmissivity is tuned by the wavelength. In this work, charge carriers are guided in a suspended ballistic few-mode graphene channel, defined by electrostatic gating. By depleting the channel, a reduction of mode number and steps in the conductance are observed, until ...