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dc.contributor.authorAraújo, José Humberto de-
dc.contributor.authorLima, Aldenir Cavalcanti-
dc.contributor.authorPeres, Ana Paula Da Silva-
dc.contributor.authorTorres, Marco Antônio Morales-
dc.contributor.authorMedeiros, Susana Nóbrega de-
dc.contributor.authorSoares, João Maria-
dc.contributor.authorMelo, Daniel Macedo A.-
dc.contributor.authorCarriço, Artur da Silva-
dc.identifier.citationRODRIGUES, A.P.G.; GOMES, D.K.S.; ARAÚJO, J.H. ; MELO, D.M.A.; OLIVEIRA, N.A.S.; BRAGA, R.M. . Nanoferrites of nickel doped with cobalt: Influence of Co2+ on the structural and magnetic properties. Journal of Magnetism and Magnetic Materials, v. 374, p. 748-754, 2015. Disponível em:! Acesso em: 25 jun. 2020.
dc.rightsAttribution 3.0 Brazil*
dc.subjectCombustion methodpt_BR
dc.subjectMössbauer spectroscopypt_BR
dc.subjectMagnetic propertiespt_BR
dc.titleThe effect of Sr2+ on the structure and magnetic properties of nanocrystalline cobalt ferritept_BR
dc.description.resumoWe report the effect of Sr2+ on the structure, morphology and magnetic properties of CoFe2O4 synthesized by microwave-assisted combustion method. Results from X-ray diffraction and Mössbauer spectroscopy at 298 K suggest the formation of a mixed spinel Sr2+ substituted CoFe2O4. However, secondary phases like CoO, SrCO3 and SrFeO2.96 were also observed. A decrease in the lattice parameter and particle size were observed with the addition of Sr2+. The crystallite size of ferrite phase ranged from 53 to 62 nm. Magnetic studies showed a gradual decrease in the saturation magnetization and remanence with the increase of Sr2+ content, and an increasing value of the coercive fieldpt_BR
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