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|Type:||Artigo de periódico|
|Title:||Magnetic Properties In Granular Co10cu90 Alloys: The Effect Of Random Anisotropy And Interparticle Interactions|
|Abstract:||The magnetization curves of Co10Cu90 as-cast and annealed melt-spun ribbons were measured for 4.2 < T < 600K. The narrow hysteresis found in these systems present an unusual temperature dependence of the coercive field Hc(T), in most samples with a decrease in the low T region due to superparamagnetic unblocking followed by an increase in T and a maximum around room temperature. These results are explained in analogy to soft nanocrystalline alloys using the random anisotropy model and the existence of interparticle interactions. © 2001 Elsevier Science B.V. All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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