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  • Molecular_motor_design_5_11

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  • 2190_4286_6_240

    Rights statement: © 2015 Sadeghi et al; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (http://www.beilstein-journals.org/bjnano)

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Negative differential electrical resistance of a rotational organic nanomotor

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>8/12/2015
<mark>Journal</mark>Beilstein Journal of Nanotechnology
Volume6
Number of pages6
Pages (from-to)2332-2337
Publication statusPublished
Original languageEnglish

Abstract

A robust, nanoelectromechanical switch is proposed based upon an asymmetric pendant moiety anchored to an organic backbone between two C60 fullerenes, which in turn are connected to gold electrodes. Ab initio density functional calculations are used to demonstrate that an electric field induces rotation of the pendant group, leading to a nonlinear current–voltage relation. The nonlinearity is strong enough to lead to negative differential resistance at modest source–drain voltages.

Bibliographic note

© 2015 Sadeghi et al; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (http://www.beilstein-journals.org/bjnano)