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dc.provenanceCONICET-
dc.creatorJacobo, Silvia Elena-
dc.creatorBercoff, Paula Gabriela-
dc.creatorHerme, Carlos Alberto-
dc.creatorVives, Leandro A.-
dc.date2018-06-27T16:49:10Z-
dc.date2018-06-27T16:49:10Z-
dc.date2015-03-
dc.date2018-06-26T13:34:16Z-
dc.date.accessioned2019-04-29T15:37:19Z-
dc.date.available2019-04-29T15:37:19Z-
dc.date.issued2015-03-
dc.identifierJacobo, Silvia Elena; Bercoff, Paula Gabriela; Herme, Carlos Alberto; Vives, Leandro A.; Sr hexaferrite/Ni ferrite nanocomposites: Magnetic behavior and microwave absorbing properties in the X-band; Elsevier Science Sa; Materials Chemistry and Physics; 157; 3-2015; 124-129-
dc.identifier0254-0584-
dc.identifierhttp://hdl.handle.net/11336/50272-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/297921-
dc.descriptionNickel ferrite nanoparticles were synthesized by a self-combustion method over nanocrystalline powders of Nd-Co substituted strontium hexaferrite with nominal composition Sr0.5Nd0.5Co0.5Fe10.5O19, at different mass relations. The samples were structurally characterized by X-ray diffractometry (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray analysis (EDX). The M vs. H loops of the composites were determined with a vibrating sample magnetometer (VSM) and the interaction with the X-band microwave radiation of the nanocomposites dispersed in epoxy resin was measured with a vector network analyzer (VNA). The hysteresis loops showed strong exchange-coupling between the two magnetic phases for the 30:70 and 50:50 Sr0.5Co0.5Nd0.5Fe10.5O19/NiFe2O4 nanocomposites, while a weak interaction was observed for the 70:30 mass ratio. The nanocomposite with an equal amount of hard and soft phase shows the highest performance both in reflectivity and in bandwidth, reaching a maximum in reflectivity of -34.4 dB at 11.1 GHz while the bandwidth below -10 dB is 3.5 GHz.-
dc.descriptionFil: Jacobo, Silvia Elena. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina-
dc.descriptionFil: Bercoff, Paula Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina-
dc.descriptionFil: Herme, Carlos Alberto. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina-
dc.descriptionFil: Vives, Leandro A.. Ministerio de Defensa. Instituto de Investigaciones Científicas y Técnicas para la Defensa; Argentina-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherElsevier Science Sa-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.matchemphys.2015.03.026-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.source.urihttp://hdl.handle.net/11336/50272-
dc.subjectCOMPOSITE MATERIALS-
dc.subjectMAGNETIC MATERIALS-
dc.subjectMICROWAVE ABSORPTION-
dc.subjectNANOSTRUCTURES-
dc.subjectAstronomía-
dc.subjectCiencias Físicas-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleSr hexaferrite/Ni ferrite nanocomposites: Magnetic behavior and microwave absorbing properties in the X-band-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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