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Observation of electron localization in rough gold nanoclusters on the graphite surface
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2007 (English)In: JETP Letters: Journal of Experimental And Theoretical Physics Letters, ISSN 0021-3640, E-ISSN 1090-6487, Vol. 86, no 6, 393-397 p.Article in journal (Refereed) Published
Abstract [en]

The results of scanning tunneling spectroscopy of the electronic states of Au nanoclusters on the graphite surface are presented. The tunneling current is found to be different at different points of a rough-surface nano-cluster. The measured differential current-voltage curve of the clusters is nonmonotonic near the Fermi energy, and the tunneling conductance decreases by almost a factor of two as the cluster volume changes from I to 0.1 mm(3). This decrease can be associated with the change in the density of the electronic states near the Fermi energy. The observed features are qualitatively described within the framework of the mechanism of electron localization in disordered systems.

Place, publisher, year, edition, pages
2007. Vol. 86, no 6, 393-397 p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-113446DOI: 10.1134/S0021364007180105ISI: 000251448200010OAI: oai:DiVA.org:uu-113446DiVA: diva2:290843
Available from: 2010-01-28 Created: 2010-01-28 Last updated: 2017-12-12

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Skorodumova, Natalia V.Johansson, Börje

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