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dc.contributor.author
Estrader, Marta
dc.contributor.author
López Ortega, Alberto
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Golosovsky, Igor V.
dc.contributor.author
Estradé, Sònia
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Roca, Alejandro G.
dc.contributor.author
Salazar Alvarez, German
dc.contributor.author
López Conesa, Lluís
dc.contributor.author
Tobia, Dina
dc.contributor.author
Winkler, Elin Lilian
dc.contributor.author
Ardisson, José D.
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Macedo, Waldemar A. A.
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Morphis, Andreas
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Vasilakaki, Mariana
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Trohidou, Kalliopi N.
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Gukasov, Arsen
dc.contributor.author
Mirebeau, Isabelle
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Makarova, O. L.
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Zysler, Roberto Daniel
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Peiró, Francesca
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Baró, Maria Dolors
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Bergström, Lennart
dc.contributor.author
Nogués, Josep
dc.date.available
2018-05-07T17:21:44Z
dc.date.issued
2015-02
dc.identifier.citation
Estrader, Marta; López Ortega, Alberto; Golosovsky, Igor V.; Estradé, Sònia; Roca, Alejandro G.; et al.; Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study; Royal Society of Chemistry; Nanoscale; 2015; 7; 2-2015; 3002-3015
dc.identifier.issn
2040-3364
dc.identifier.uri
http://hdl.handle.net/11336/44316
dc.description.abstract
The intimate relationship between stoichiometry and physicochemical properties in transition-metal oxides makes them appealing as tunable materials. These features become exacerbated when dealing with nanostructures. However, due to the complexity of nanoscale materials, establishing a distinct relationship between structure-morphology and functionalities is often complicated. In this regard, in the FexO/Fe3O4 system a largely unexplained broad dispersion of magnetic properties has been observed. Here we show, thanks to a comprehensive multi-technique approach, a clear correlation between the magneto-structural properties in large (45 nm) and small (9 nm) FexO/Fe3O4 core/shell nanoparticles that can explain the spread of magnetic behaviors. The results reveal that while the FexO core in the large nanoparticles is antiferromagnetic and has bulk-like stoichiometry and unit-cell parameters, the FexO core in the small particles is highly non-stoichiometric and strained, displaying no significant antiferromagnetism. These results highlight the importance of ample characterization to fully understand the properties of nanostructured metal oxides.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society of Chemistry
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Bimagnetic Nanoparticles
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Nanomagnetism
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Exchange Bias
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Core/Shell
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-09T16:08:13Z
dc.journal.volume
2015
dc.journal.number
7
dc.journal.pagination
3002-3015
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Estrader, Marta. Universidad de Barcelona; España. Stockholms Universitet; Suecia
dc.description.fil
Fil: López Ortega, Alberto. Universita Degli Studi Di Firenze; Italia
dc.description.fil
Fil: Golosovsky, Igor V.. St. Petersburg Nuclear Physics Institute; Rusia. Ioffe Physico-Technical Institute; Rusia. Russian Academy of Sciences; Rusia
dc.description.fil
Fil: Estradé, Sònia. Universidad de Barcelona; España
dc.description.fil
Fil: Roca, Alejandro G.. Universidad de Barcelona; España
dc.description.fil
Fil: Salazar Alvarez, German. Stockholms Universitet; Suecia
dc.description.fil
Fil: López Conesa, Lluís. Universidad de Barcelona; España
dc.description.fil
Fil: Tobia, Dina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Winkler, Elin Lilian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Ardisson, José D.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; Brasil
dc.description.fil
Fil: Macedo, Waldemar A. A.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; Brasil
dc.description.fil
Fil: Morphis, Andreas. Institute of Nanoscience and Nanotechnology; Grecia
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Fil: Vasilakaki, Mariana. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; Grecia
dc.description.fil
Fil: Trohidou, Kalliopi N.. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; Grecia
dc.description.fil
Fil: Gukasov, Arsen. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; Francia
dc.description.fil
Fil: Mirebeau, Isabelle. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; Francia
dc.description.fil
Fil: Makarova, O. L.. National Research Center “Kurchatov Institute”; Rusia
dc.description.fil
Fil: Zysler, Roberto Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Peiró, Francesca. Universidad de Barcelona; España
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Fil: Baró, Maria Dolors. Universitat Autònoma de Barcelona; España
dc.description.fil
Fil: Bergström, Lennart. Stockholms Universitet; Suecia
dc.description.fil
Fil: Nogués, Josep. Universitat Autònoma de Barcelona; España. Institució Catalana de Recerca i Estudis Avancats; España
dc.journal.title
Nanoscale
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://doi.org/10.1039/c4nr06351a
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2015/NR/C4NR06351A#!divAbstract
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