Publikation: Influence of chopped laser light onto the electronic transport through atomic-sized contacts
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2008
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Journal of Microscopy. 2008, 229(3), pp. 407-414. Available under: doi: 10.1111/j.1365-2818.2008.01920.x
Zusammenfassung
This article reports on the influence of laser irradiation onto the electrical conductance of gold nanocontacts established with the mechanically controllable breakjunction technique (MCB). We concentrate here on the study of reversible conductance changes which can be as high as 200%. We investigate the dependence on the initial conductance of the contacts, the wavelenght, the intensity and position of the laser spot with respect to the sample. Under most conditions an enhancement of the conductance is observed. We discuss several physical mechanisms which might contribute to the observed effect including thermal expansion, rectification and photon-assisted transport. We conclude that thermal expansion is not the dominating one.
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
530 Physik
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chopped laser light, atomic-sized contacts
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GUHR, Daniel C., Dennis RETTINGER, Johannes BONEBERG, Artur ERBE, Paul LEIDERER, Elke SCHEER, 2008. Influence of chopped laser light onto the electronic transport through atomic-sized contacts. In: Journal of Microscopy. 2008, 229(3), pp. 407-414. Available under: doi: 10.1111/j.1365-2818.2008.01920.xBibTex
@article{Guhr2008Influ-9268,
year={2008},
doi={10.1111/j.1365-2818.2008.01920.x},
title={Influence of chopped laser light onto the electronic transport through atomic-sized contacts},
number={3},
volume={229},
journal={Journal of Microscopy},
pages={407--414},
author={Guhr, Daniel C. and Rettinger, Dennis and Boneberg, Johannes and Erbe, Artur and Leiderer, Paul and Scheer, Elke}
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