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Electron Traversal Times in Disordered Graphene Nanoribbons

1
The Raymond and Beverley Sackler Center for Computational Molecular and Materials Science, Tel Aviv University, Tel Aviv 6997801, Israel
2
Max Planck Institute for the Structure and Dynamics of Matter, 22761 Hamburg, Germany
*
Author to whom correspondence should be addressed.
Entropy 2019, 21(8), 737; https://doi.org/10.3390/e21080737
Received: 28 June 2019 / Revised: 24 July 2019 / Accepted: 25 July 2019 / Published: 27 July 2019
(This article belongs to the Special Issue Quantum Transport in Mesoscopic Systems)
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Abstract

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. View Full-Text
Keywords: quantum transport; graphene nanoribbons; nonequilibrium Green’s function quantum transport; graphene nanoribbons; nonequilibrium Green’s function
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Ridley, M.; Sentef, M.A.; Tuovinen, R. Electron Traversal Times in Disordered Graphene Nanoribbons. Entropy 2019, 21, 737.

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