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Article Dans Une Revue Nano Letters Année : 2015

Guiding of Electrons in a Few-Mode Ballistic Graphene Channel

Résumé

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 the channel is completely emptied. The measurements are supported by tight-binding transport calculations including the full electrostatics of the sample.
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Dates et versions

cea-01735139 , version 1 (01-10-2020)

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Peter Rickhaus, Ming-Hao Liu, Peter Makk, Romain Maurand, Samuel Hess, et al.. Guiding of Electrons in a Few-Mode Ballistic Graphene Channel. Nano Letters, 2015, 15 (9), pp.5819-5825. ⟨10.1021/acs.nanolett.5b01877⟩. ⟨cea-01735139⟩
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