Vibrational assisted conduction in a molecular wire

Simon Pigeon; Lorenzo Fusco; Gabriele De Chiara; Mauro Paternostro

doi:10.1088/2058-9565/aa6d42

Vibrational assisted conduction in a molecular wire

Simon Pigeon, Lorenzo Fusco, Gabriele De Chiara, Mauro Paternostro

School of Mathematics and Physics

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5 Citations (Scopus)

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Abstract

We present a detailed study of the conduction properties of a molecular wire where hopping processes between electronic sites are coupled to a vibrational mode of the molecule. The latter is sandwiched between two electronic leads at finite temperatures. We show that the electro-mechanical coupling can lead to a strong enhancement of the lead-to-lead conduction. Moreover, under suitable driving of the molecular vibrational mode, the device can act as a transistor passing sharply from enhanced conduction to short-circuit configuration.

Original language	English
Article number	025006
Journal	Quantum Science and Technology
Volume	2
DOIs	https://doi.org/10.1088/2058-9565/aa6d42
Publication status	Published - 22 May 2017

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Vibration-assisted conduction in a molecular wire
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title = "Vibrational assisted conduction in a molecular wire",

abstract = "We present a detailed study of the conduction properties of a molecular wire where hopping processes between electronic sites are coupled to a vibrational mode of the molecule. The latter is sandwiched between two electronic leads at finite temperatures. We show that the electro-mechanical coupling can lead to a strong enhancement of the lead-to-lead conduction. Moreover, under suitable driving of the molecular vibrational mode, the device can act as a transistor passing sharply from enhanced conduction to short-circuit configuration. ",

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AU - Pigeon, Simon

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AU - De Chiara, Gabriele

AU - Paternostro, Mauro

PY - 2017/5/22

Y1 - 2017/5/22

N2 - We present a detailed study of the conduction properties of a molecular wire where hopping processes between electronic sites are coupled to a vibrational mode of the molecule. The latter is sandwiched between two electronic leads at finite temperatures. We show that the electro-mechanical coupling can lead to a strong enhancement of the lead-to-lead conduction. Moreover, under suitable driving of the molecular vibrational mode, the device can act as a transistor passing sharply from enhanced conduction to short-circuit configuration.

AB - We present a detailed study of the conduction properties of a molecular wire where hopping processes between electronic sites are coupled to a vibrational mode of the molecule. The latter is sandwiched between two electronic leads at finite temperatures. We show that the electro-mechanical coupling can lead to a strong enhancement of the lead-to-lead conduction. Moreover, under suitable driving of the molecular vibrational mode, the device can act as a transistor passing sharply from enhanced conduction to short-circuit configuration.

U2 - 10.1088/2058-9565/aa6d42

DO - 10.1088/2058-9565/aa6d42

M3 - Article

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JO - Quantum Science and Technology

JF - Quantum Science and Technology

M1 - 025006

ER -

Vibrational assisted conduction in a molecular wire

Abstract

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