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dc.contributor.author
Haïk Dunn, Isaac
dc.contributor.author
Jacobo, Silvia Elena
dc.contributor.author
Bercoff, Paula Gabriela
dc.date.available
2018-11-05T20:10:54Z
dc.date.issued
2017-01-15
dc.identifier.citation
Haïk Dunn, Isaac; Jacobo, Silvia Elena; Bercoff, Paula Gabriela; Structural and magnetic influence of yttrium-for-iron substitution in cobalt ferrite; Elsevier Science Sa; Journal of Alloys and Compounds; 691; 15-1-2017; 130-137
dc.identifier.issn
0925-8388
dc.identifier.uri
http://hdl.handle.net/11336/63688
dc.description.abstract
Yttrium-substituted cobalt ferrites of nominal composition CoYxFe1.98-xO4, x = 0; 0.1; 0.2; 0.3, were prepared using the sol-gel combustion method. A slight iron deficiency in the formulation was designed in order to improve yttrium solubility in the spinel structure. The inclusion of Y in the lattice reached 10% cationic substitution. XRD Rietveld analysis and Raman spectra confirm that yttrium enters the lattice in octahedral sites, increasing the inversion parameter of cobalt ferrite. Mössbauer results confirm the cation distribution obtained with Rietveld refinements. Saturation magnetization and Curie temperature decrease with iron substitution, confirming the B site occupancy of Y ions. Yttrium inclusion promotes a cation distribution which modifies the Raman spectra. A model is proposed to explain the observed vibrational modes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Sa
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Ceramics
dc.subject
Crystal Structure And Symmetry
dc.subject
Magnetic Measurements
dc.subject
Oxide Materials
dc.subject
Raman Spectroscopy
dc.subject
X-Ray Diffraction
dc.subject.classification
Física de los Materiales Condensados
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Structural and magnetic influence of yttrium-for-iron substitution in cobalt ferrite
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-10-22T18:17:40Z
dc.journal.volume
691
dc.journal.pagination
130-137
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Haïk Dunn, Isaac. 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.description.fil
Fil: Jacobo, Silvia Elena. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long". Universidad de Buenos Aires. Facultad de Ingeniería. Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long"; Argentina
dc.description.fil
Fil: 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.journal.title
Journal of Alloys and Compounds
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.jallcom.2016.08.223
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0925838816326214
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