Electron Traversal Times in Disordered Graphene Nanoribbons

Using the partition-free time-dependent Landauer−Büttiker formalism for transient current correlations, we study the traversal times taken for electrons to cross graphene nanoribbon (GNR) molecular junctions. We demonstrate electron traversal signatures that vary with disorder and...

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Main Authors: Michael Ridley, Michael A. Sentef, Riku Tuovinen
Format: Article
Language:English
Published: MDPI AG 2019-07-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/21/8/737
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author Michael Ridley
Michael A. Sentef
Riku Tuovinen
author_facet Michael Ridley
Michael A. Sentef
Riku Tuovinen
author_sort Michael Ridley
collection DOAJ
description Using the partition-free time-dependent Landauer−Büttiker formalism for transient current correlations, we study the traversal times taken for electrons to cross graphene nanoribbon (GNR) molecular junctions. We demonstrate electron traversal signatures that vary with disorder and orientation of the GNR. These findings can be related to operational frequencies of GNR-based devices and their consequent rational design.
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spelling doaj.art-7c9a8abee1764a50b3fbf541e67222762022-12-22T04:03:53ZengMDPI AGEntropy1099-43002019-07-0121873710.3390/e21080737e21080737Electron Traversal Times in Disordered Graphene NanoribbonsMichael Ridley0Michael A. Sentef1Riku Tuovinen2The Raymond and Beverley Sackler Center for Computational Molecular and Materials Science, Tel Aviv University, Tel Aviv 6997801, IsraelMax Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, GermanyMax Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, GermanyUsing the partition-free time-dependent Landauer−Büttiker formalism for transient current correlations, we study the traversal times taken for electrons to cross graphene nanoribbon (GNR) molecular junctions. We demonstrate electron traversal signatures that vary with disorder and orientation of the GNR. These findings can be related to operational frequencies of GNR-based devices and their consequent rational design.https://www.mdpi.com/1099-4300/21/8/737quantum transportgraphene nanoribbonsnonequilibrium Green’s function
spellingShingle Michael Ridley
Michael A. Sentef
Riku Tuovinen
Electron Traversal Times in Disordered Graphene Nanoribbons
Entropy
quantum transport
graphene nanoribbons
nonequilibrium Green’s function
title Electron Traversal Times in Disordered Graphene Nanoribbons
title_full Electron Traversal Times in Disordered Graphene Nanoribbons
title_fullStr Electron Traversal Times in Disordered Graphene Nanoribbons
title_full_unstemmed Electron Traversal Times in Disordered Graphene Nanoribbons
title_short Electron Traversal Times in Disordered Graphene Nanoribbons
title_sort electron traversal times in disordered graphene nanoribbons
topic quantum transport
graphene nanoribbons
nonequilibrium Green’s function
url https://www.mdpi.com/1099-4300/21/8/737
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AT michaelasentef electrontraversaltimesindisorderedgraphenenanoribbons
AT rikutuovinen electrontraversaltimesindisorderedgraphenenanoribbons