Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study

Autores
Estrader, Marta; López Ortega, Alberto; Golosovsky, Igor V.; Estradé, Sònia; Roca, Alejandro G.; Salazar Alvarez, German; López Conesa, Lluís; Tobia, Dina; Winkler, Elin Lilian; Ardisson, José D.; Macedo, Waldemar A. A.; Morphis, Andreas; Vasilakaki, Mariana; Trohidou, Kalliopi N.; Gukasov, Arsen; Mirebeau, Isabelle; Makarova, O. L.; Zysler, Roberto Daniel; Peiró, Francesca; Baró, Maria Dolors; Bergström, Lennart; Nogués, Josep
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
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.
Fil: Estrader, Marta. Universidad de Barcelona; España. Stockholms Universitet; Suecia
Fil: López Ortega, Alberto. Universita Degli Studi Di Firenze; Italia
Fil: Golosovsky, Igor V.. St. Petersburg Nuclear Physics Institute; Rusia. Ioffe Physico-Technical Institute; Rusia. Russian Academy of Sciences; Rusia
Fil: Estradé, Sònia. Universidad de Barcelona; España
Fil: Roca, Alejandro G.. Universidad de Barcelona; España
Fil: Salazar Alvarez, German. Stockholms Universitet; Suecia
Fil: López Conesa, Lluís. Universidad de Barcelona; España
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
Fil: Winkler, Elin Lilian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Ardisson, José D.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; Brasil
Fil: Macedo, Waldemar A. A.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; Brasil
Fil: Morphis, Andreas. Institute of Nanoscience and Nanotechnology; Grecia
Fil: Vasilakaki, Mariana. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; Grecia
Fil: Trohidou, Kalliopi N.. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; Grecia
Fil: Gukasov, Arsen. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; Francia
Fil: Mirebeau, Isabelle. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; Francia
Fil: Makarova, O. L.. National Research Center “Kurchatov Institute”; Rusia
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
Fil: Peiró, Francesca. Universidad de Barcelona; España
Fil: Baró, Maria Dolors. Universitat Autònoma de Barcelona; España
Fil: Bergström, Lennart. Stockholms Universitet; Suecia
Fil: Nogués, Josep. Universitat Autònoma de Barcelona; España. Institució Catalana de Recerca i Estudis Avancats; España
Materia
Bimagnetic Nanoparticles
Nanomagnetism
Exchange Bias
Core/Shell
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/44316

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network_name_str CONICET Digital (CONICET)
spelling Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case studyEstrader, MartaLópez Ortega, AlbertoGolosovsky, Igor V.Estradé, SòniaRoca, Alejandro G.Salazar Alvarez, GermanLópez Conesa, LluísTobia, DinaWinkler, Elin LilianArdisson, José D.Macedo, Waldemar A. A.Morphis, AndreasVasilakaki, MarianaTrohidou, Kalliopi N.Gukasov, ArsenMirebeau, IsabelleMakarova, O. L.Zysler, Roberto DanielPeiró, FrancescaBaró, Maria DolorsBergström, LennartNogués, JosepBimagnetic NanoparticlesNanomagnetismExchange BiasCore/Shellhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The 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.Fil: Estrader, Marta. Universidad de Barcelona; España. Stockholms Universitet; SueciaFil: López Ortega, Alberto. Universita Degli Studi Di Firenze; ItaliaFil: Golosovsky, Igor V.. St. Petersburg Nuclear Physics Institute; Rusia. Ioffe Physico-Technical Institute; Rusia. Russian Academy of Sciences; RusiaFil: Estradé, Sònia. Universidad de Barcelona; EspañaFil: Roca, Alejandro G.. Universidad de Barcelona; EspañaFil: Salazar Alvarez, German. Stockholms Universitet; SueciaFil: López Conesa, Lluís. Universidad de Barcelona; EspañaFil: Tobia, Dina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Winkler, Elin Lilian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Ardisson, José D.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; BrasilFil: Macedo, Waldemar A. A.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; BrasilFil: Morphis, Andreas. Institute of Nanoscience and Nanotechnology; GreciaFil: Vasilakaki, Mariana. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; GreciaFil: Trohidou, Kalliopi N.. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; GreciaFil: Gukasov, Arsen. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; FranciaFil: Mirebeau, Isabelle. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; FranciaFil: Makarova, O. L.. National Research Center “Kurchatov Institute”; RusiaFil: 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; ArgentinaFil: Peiró, Francesca. Universidad de Barcelona; EspañaFil: Baró, Maria Dolors. Universitat Autònoma de Barcelona; EspañaFil: Bergström, Lennart. Stockholms Universitet; SueciaFil: Nogués, Josep. Universitat Autònoma de Barcelona; España. Institució Catalana de Recerca i Estudis Avancats; EspañaRoyal Society of Chemistry2015-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/44316Estrader, 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; 3002-30152040-3364CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1039/c4nr06351ainfo:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2015/NR/C4NR06351A#!divAbstractinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:43:18Zoai:ri.conicet.gov.ar:11336/44316instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 15:43:18.408CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
title Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
spellingShingle Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
Estrader, Marta
Bimagnetic Nanoparticles
Nanomagnetism
Exchange Bias
Core/Shell
title_short Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
title_full Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
title_fullStr Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
title_full_unstemmed Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
title_sort Origin of the large dispersion of magnetic properties in nanostructured oxides: FexO/Fe3O4 nanoparticles as a case study
dc.creator.none.fl_str_mv Estrader, Marta
López Ortega, Alberto
Golosovsky, Igor V.
Estradé, Sònia
Roca, Alejandro G.
Salazar Alvarez, German
López Conesa, Lluís
Tobia, Dina
Winkler, Elin Lilian
Ardisson, José D.
Macedo, Waldemar A. A.
Morphis, Andreas
Vasilakaki, Mariana
Trohidou, Kalliopi N.
Gukasov, Arsen
Mirebeau, Isabelle
Makarova, O. L.
Zysler, Roberto Daniel
Peiró, Francesca
Baró, Maria Dolors
Bergström, Lennart
Nogués, Josep
author Estrader, Marta
author_facet Estrader, Marta
López Ortega, Alberto
Golosovsky, Igor V.
Estradé, Sònia
Roca, Alejandro G.
Salazar Alvarez, German
López Conesa, Lluís
Tobia, Dina
Winkler, Elin Lilian
Ardisson, José D.
Macedo, Waldemar A. A.
Morphis, Andreas
Vasilakaki, Mariana
Trohidou, Kalliopi N.
Gukasov, Arsen
Mirebeau, Isabelle
Makarova, O. L.
Zysler, Roberto Daniel
Peiró, Francesca
Baró, Maria Dolors
Bergström, Lennart
Nogués, Josep
author_role author
author2 López Ortega, Alberto
Golosovsky, Igor V.
Estradé, Sònia
Roca, Alejandro G.
Salazar Alvarez, German
López Conesa, Lluís
Tobia, Dina
Winkler, Elin Lilian
Ardisson, José D.
Macedo, Waldemar A. A.
Morphis, Andreas
Vasilakaki, Mariana
Trohidou, Kalliopi N.
Gukasov, Arsen
Mirebeau, Isabelle
Makarova, O. L.
Zysler, Roberto Daniel
Peiró, Francesca
Baró, Maria Dolors
Bergström, Lennart
Nogués, Josep
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Bimagnetic Nanoparticles
Nanomagnetism
Exchange Bias
Core/Shell
topic Bimagnetic Nanoparticles
Nanomagnetism
Exchange Bias
Core/Shell
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv 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.
Fil: Estrader, Marta. Universidad de Barcelona; España. Stockholms Universitet; Suecia
Fil: López Ortega, Alberto. Universita Degli Studi Di Firenze; Italia
Fil: Golosovsky, Igor V.. St. Petersburg Nuclear Physics Institute; Rusia. Ioffe Physico-Technical Institute; Rusia. Russian Academy of Sciences; Rusia
Fil: Estradé, Sònia. Universidad de Barcelona; España
Fil: Roca, Alejandro G.. Universidad de Barcelona; España
Fil: Salazar Alvarez, German. Stockholms Universitet; Suecia
Fil: López Conesa, Lluís. Universidad de Barcelona; España
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
Fil: Winkler, Elin Lilian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Ardisson, José D.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; Brasil
Fil: Macedo, Waldemar A. A.. Centro de Desenvolvimento da Tecnologia Nuclear. Laboratório de Física Aplicada; Brasil
Fil: Morphis, Andreas. Institute of Nanoscience and Nanotechnology; Grecia
Fil: Vasilakaki, Mariana. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; Grecia
Fil: Trohidou, Kalliopi N.. National Center for Scientific Research “Demokritos”. Institute of Nanoscience and Nanotechnology; Grecia
Fil: Gukasov, Arsen. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; Francia
Fil: Mirebeau, Isabelle. Centre National de la Recherche Scientifique; Francia. Commissariat à l'Energie Atomique; Francia
Fil: Makarova, O. L.. National Research Center “Kurchatov Institute”; Rusia
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
Fil: Peiró, Francesca. Universidad de Barcelona; España
Fil: Baró, Maria Dolors. Universitat Autònoma de Barcelona; España
Fil: Bergström, Lennart. Stockholms Universitet; Suecia
Fil: Nogués, Josep. Universitat Autònoma de Barcelona; España. Institució Catalana de Recerca i Estudis Avancats; España
description 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.
publishDate 2015
dc.date.none.fl_str_mv 2015-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/44316
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
2040-3364
CONICET Digital
CONICET
url http://hdl.handle.net/11336/44316
identifier_str_mv 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
2040-3364
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1039/c4nr06351a
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2015/NR/C4NR06351A#!divAbstract
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Royal Society of Chemistry
publisher.none.fl_str_mv Royal Society of Chemistry
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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