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Breakdown of the coherence effects and Fermi liquid behavior in YbAl 3 nanoparticles

hal.structure.identifierBasque Center for Materials, Application and Nanostructures [ BC Materials]
hal.structure.identifierUniversidad de Cantabria [Santander] = University of Cantabria [Spain] = Université de Cantabrie [Espagne] [UC / UniCan]
dc.contributor.authorECHEVARRIA-BONET, E
hal.structure.identifierUniversidad Politécnica de Madrid [UPM]
dc.contributor.authorROJAS, D.
hal.structure.identifierUniversidad de Cantabria [Santander] = University of Cantabria [Spain] = Université de Cantabrie [Espagne] [UC / UniCan]
dc.contributor.authorESPESO, E
hal.structure.identifierUniversidad de Cantabria [Santander] = University of Cantabria [Spain] = Université de Cantabrie [Espagne] [UC / UniCan]
dc.contributor.authorRODRÍGUEZ FERNÁNDEZ, J
hal.structure.identifierUniversidad de Cantabria [Santander] = University of Cantabria [Spain] = Université de Cantabrie [Espagne] [UC / UniCan]
dc.contributor.authorRODRÍGUEZ FERNÁNDEZ, L
hal.structure.identifierVienna University of Technology = Technische Universität Wien [TU Wien]
dc.contributor.authorBAUER, E
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorBURDIN, Sébastien
hal.structure.identifierUniversidade Federal do Rio Grande do Sul [Porto Alegre] [UFRGS]
dc.contributor.authorMAGALHAES, S.
hal.structure.identifierUniversidad de Cantabria [Santander] = University of Cantabria [Spain] = Université de Cantabrie [Espagne] [UC / UniCan]
dc.contributor.authorFERNANDEZ BARQUÍN, L.
dc.date.issued2018
dc.identifier.issn0953-8984
dc.description.abstractEnA change in the Kondo lattice behavior of bulk YbAl3 has been observed when the alloy is shaped into nanoparticles (≈12 nm). Measurements of the electrical resistivity show inhibited coherence effects and deviation from the standard Fermi liquid behavior (T2-dependence). These results are interpreted as being due to the effect of the disruption of the periodicity of the array of Kondo ions provoked by the size reduction process. Additionally, the ensemble of randomly placed nanoparticles also triggers an extra source of electronic scattering at very low temperatures (≈15 K) due to quantum interference effects.
dc.language.isoen
dc.publisherIOP Publishing
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/
dc.subject.enYb nanometric alloys
dc.subject.enKondo lattice
dc.subject.ensingle impurity
dc.subject.enelectrical resistivity
dc.subject.enquantum interference effects
dc.title.enBreakdown of the coherence effects and Fermi liquid behavior in YbAl 3 nanoparticles
dc.typeArticle de revue
dc.identifier.doi10.1088/1361-648X/aab0c7
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Electrons fortement corrélés [cond-mat.str-el]
bordeaux.journalJournal of Physics: Condensed Matter
bordeaux.page135604
bordeaux.volume30
bordeaux.issue13
bordeaux.peerReviewedoui
hal.identifierhal-01815074
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01815074v1
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