Electron transfer dynamics of bistable single-molecule junctions

Danilov, Andrey V. and Kubatkin, Sergey E. and Kafanov, Sergey and Flensberg, Karsten and Bjørnholm, Thomas (2006) Electron transfer dynamics of bistable single-molecule junctions. Nano Letters, 6 (10). pp. 2184-2190. ISSN 1530-6984

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We present transport measurements of single-molecule junctions bridged by a molecule with three benzene rings connected by two double bonds and with thiol end-groups that allow chemical binding to gold electrodes. The I-V curves show switching behavior between two distinct states. By statistical analysis of the switching events, we show that a 300 meV mode mediates the transition between the two states. We propose that breaking and reformation of a S-H bond in the contact zone between molecule and electrode explains the observed bistability.

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Journal Article
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Nano Letters
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27 Feb 2017 14:42
Last Modified:
22 Nov 2022 04:27