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Guiding of Electrons in a Few-Mode Ballistic Graphene Channel

Rickhaus, Peter and Liu, Ming-Hao and Makk, Peter and Maurand, Romain and Hess, Samuel and Zihlmann, Simon and Weiss, Markus and Richter, Klaus and Schönenberger, Christian. (2015) Guiding of Electrons in a Few-Mode Ballistic Graphene Channel. Nano Letters, 15 (9). pp. 5819-5825.

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Official URL: http://edoc.unibas.ch/41338/

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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 the channel is completely emptied. The measurements are supported by tight-binding transport calculations including the full electrostatics of the sample.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimentalphysik Nanoelektronik (Schönenberger)
UniBasel Contributors:Makk, Peter and Rickhaus, Peter and Maurand, Romain and Hess, Samuel and Zihlmann, Simon and Weiss, Markus and Schönenberger, Christian
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
ISSN:1530-6984
e-ISSN:1530-6992
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:13 Oct 2017 07:36
Deposited On:17 May 2016 06:20

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