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Type: Artigo de periódico
Title: Effects Of Magnetic Interparticle Coupling In The Blocking Temperature Of Granular Co Multilayers
Author: Denardin J.C.
Nunes W.C.
Knobel M.
Abstract: In order to study the influence of magnetic interactions on the blocking temperature of magnetic nanoparticles, magnetization measurements were carried out on a discontinuous Co/SiO2 multilayer. The observed field dependence of the blocking temperature does not fit any of the non-interacting laws commonly used to describe this behavior. We applied a generalized model which considers a field-dependent magnetic correlation length. This model explains well the experimental results and can be used in other nanoparticulate systems. © 2006 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physb.2006.06.013
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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