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dc.contributor.authorHernando, Antonio-
dc.contributor.authorAyuela, Andrés-
dc.contributor.authorCrespo, Patricia-
dc.contributor.authorEchenique, Pedro M.-
dc.identifierdoi: 10.1088/1367-2630/16/7/073043-
dc.identifierissn: 1367-2630-
dc.identifier.citationNew Journal of Physics 16: 073043 (2014)-
dc.descriptionContent from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.-
dc.description.abstractThe presence of giant diamagnetism in Au nanorods, NRs, is shown to be a possible consequence of field induced currents in the surface electrons. The distance, Δ, between quantum surface energy levels has been calculated as a function of the NRs radius. Note that those electrons occupying states for which Δ>kB T are steadily orbiting with constant orbital moment. The diamagnetic response induced when a field is turned on remains constant during the time the field is acting. As the NRs radius increases, Δ decreases and accordingly the electron fraction available to generate constant currents decreases, consequently the surface diamagnetic susceptibility decreases towards its bulk value. The surface electronic motion induced by the axial applied field on electrons confined into a cylindrical surface accounts with extremely good quantitative agreement for the giant diamagnetism recently measured and reported. © 2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.-
dc.description.sponsorshipWe gratefully acknowledge financial support from the Spanish Ministerio de Innovación, Ciencia y Tecnología (grant numbers MAT2012-37109-C02-01 and FIS2010-21282-C02-02), the University of the Basque Country (grant no. IT-366-07), the Basque Government through the NANOMATERIALS project (grant IE05-151) under the ETORTEK Program (iNanogune).-
dc.publisherInstitute of Physics Publishing-
dc.relation.isversionofPublisher's version-
dc.titleGiant diamagnetism of gold nanorods-
dc.description.versionPeer Reviewed-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderEusko Jaurlaritza-
dc.contributor.funderUniversidad del País Vasco-
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