Please use this identifier to cite or link to this item: http://cimav.repositorioinstitucional.mx/jspui/handle/1004/1010
Study of magnetization reversal in hybrid magnets
DARIO BUENO BAQUES
Eduardo Padrón Hernández
JOSE ANDRES MATUTES AQUINO
Acceso Abierto
Sin Derechos Reservados
Magnetization
A study of magnetic interactions and magnetization reversal at room temperature in hybrid magnets consisting of micrometrics particles of strontium ferrite and MagnequenchMQP-Qalloywas carried out. Materials with three different compositions were considered. These materials present different intensity of coupling between their components. In each case, the evolution of the DCD reversible (Mrev) and irreversible (Mirr) magnetization components during the magnetization and the demagnetization processes was determined.Mrev(Mirr)Hi curves were built, being Hi the internal field of the sample. In order to investigate the nature of the magnetic interactions between the different grains, a study of the δMd(Hi) plots was developed. The experimental behavior of the Mrev(Mirr)Hi curves suggest the existence of a complex non-uniform mechanism for the magnetization reversal in these materials. The δMd(Hi) plots shown a notable predominance of the demagnetizing-like magnetostatic interactions.
2004
Artículo
Inglés
OTRAS
Versión revisada
submittedVersion - Versión revisada
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