Magnetization reversal in co-precipitated cobalt ferrite

A study about the magnetic viscosity and magnetization reversal in coprecipitated cobalt ferrite was carried out. Measurements of direct current demagnetization reversible Mrev and irreversible Mirr magnetization as well as magnetic viscosity Sn were performed at room temperature along the demagneti...

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Detalles Bibliográficos
Autor: JOSE ANDRES MATUTES AQUINO
Tipo de recurso: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:2002
País:México
Institución:Centro de Investigación en Materiales Avanzados
Repositorio:Fuente de Objetos Científicos Open Access del CIMAV
Idioma:inglés
OAI Identifier:oai:cimav.repositorioinstitucional.mx:1004/1040
Acceso en línea:http://cimav.repositorioinstitucional.mx/jspui/handle/1004/1040
Access Level:acceso abierto
Palabra clave:info:eu-repo/classification/Magnetic viscosity/Magnetization reversal
info:eu-repo/classification/cti/1
info:eu-repo/classification/cti/22
info:eu-repo/classification/cti/2299
info:eu-repo/classification/cti/229999
Descripción
Sumario:A study about the magnetic viscosity and magnetization reversal in coprecipitated cobalt ferrite was carried out. Measurements of direct current demagnetization reversible Mrev and irreversible Mirr magnetization as well as magnetic viscosity Sn were performed at room temperature along the demagnetization curve for different applied fields Hap(0 > Hap> - 7 kOe). From these data Mrev(Mirr)Hi curves were built. The experimental results show a minimum in the Mrev(Mirr)Hi curves and a nonproportionality between Sn and Xirr; suggesting two different contributions to the reversal magnetization during the demagnetization process.