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Type: Artigo de periódico
Title: Magnetostatic interactions between two magnetic wires
Author: Piccin, R
Laroze, D
Knobel, M
Vargas, P
Vazquez, M
Abstract: The results of the magnetic dipolar field in a simple set of two amorphous ferromagnetic wires Of composition Fe(77.5)Si(12.5)B(15) placed side by side are presented. Owing to their peculiar domain structure, they could, in principle, be approximated by macroscopic magnetic dipoles, allowing the analysis of the magnetostatic field between these magnetic entities. Magnetization measurements as a function of the distance between the parallel wires were performed. Results can be explained considering the magnetostatic field created by one wire in the neighboring one. It is clearly shown that this field is responsible for changes of the reversal field of the wires, leading to the appearance of plateaux during the demagnetization process. Instead of pure dipolar model that does not fit experimental data, a multipolar model has been developed, showing a rather good agreement with the experimental results. Copyright (C) EPLA, 2007
Country: França
Editor: Epl Association, European Physical Society
Rights: aberto
Identifier DOI: 10.1209/0295-5075/78/67004
Date Issue: 2007
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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