Synthesis and characterization of Cu2+ substituted magnetite

Vista sencilla de ítem
dc.citation.journalTitleHyperfine Interactions
dc.contributor.authorMorales, A. L.
dc.contributor.authorVelasquez, A. A.
dc.contributor.authorUrquijo, J. P.
dc.contributor.authorBaggio, E.
dc.contributor.departmentUniversidad EAFIT. Departamento de Ciencias Básicas
dc.contributor.researchgroupElectromagnetismo Aplicado (Gema)spa
dc.date.accessioned2021-03-23T21:38:59Z
dc.date.available2021-03-23T21:38:59Z
dc.date.issued2011-11-01
dc.description.abstractSamples of magnetite, both pure and doped with divalent copper, Fe3-xCuxO4, with x = 0, 0.05, 0.10 and 0.20 atm.%, were synthesized hydrothermally. The samples were characterized by Atomic Absorption Spectroscopy, Mössbauer Spectroscopy, X-ray diffraction, Scanning Electron Microscopy and SQUID magnetometry. The analyses made by the above techniques showed that as the Cu2+ concentration increases, a simultaneous reduction in the magnetic and structural parameters takes place, namely: magnetic hyperfine interactions at octahedral sites, particle size and lattice constant. Degradation in the particles morphology as well as a distribution of their size were also observed. Our study points two important effects of Cu2+ in magnetite, the first one is its incorporation within the structure, replacing Fe2+ ions and decreasing both the magnetic hyperfine interactions at octahedral sites and the bulk magnetization, the second one is the contraction of the crystalline lattice of magnetite, because incorporation of Cu2+ within the structure, generation of vacancies or both simultaneous effects. © 2011 Springer Science+Business Media B.V.eng
dc.identifierhttps://eafit.fundanetsuite.com/Publicaciones/ProdCientif/PublicacionFrw.aspx?id=1375
dc.identifier.doi10.1007/s10751-011-0349-x
dc.identifier.issn03043843spa
dc.identifier.issn15729540spa
dc.identifier.otherWOS;000313485700011
dc.identifier.otherSCOPUS;2-s2.0-81555197084
dc.identifier.urihttp://hdl.handle.net/10784/27119
dc.language.isoengeng
dc.publisherSPRINGER
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-81555197084&doi=10.1007%2fs10751-011-0349-x&partnerID=40&md5=f929c56d0b28fe7bb9e9e085f4067829
dc.rightshttps://v2.sherpa.ac.uk/id/publication/issn/0304-3843
dc.sourceHyperfine Interactions
dc.subject.keywordDivalent coppereng
dc.subject.keywordMagnetiteeng
dc.subject.keywordMössbauer spectroscopyeng
dc.subject.keywordMorphologyeng
dc.subject.keywordSQUID magnetometryeng
dc.titleSynthesis and characterization of Cu2+ substituted magnetiteeng
dc.typearticleeng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.typepublishedVersioneng
dc.type.localArtículospa

Archivos

Bloque original
Mostrando 1 - 1 de 1
No hay miniatura disponible
Nombre:
s10751-011-0349-x.pdf
Tamaño:
471.91 KB
Formato:
Adobe Portable Document Format
Descripción:
Descargar

Colecciones

Artículos (Gema)