Angular dependence of magnetic properties in Ni nanowire arrays

The angular dependence of the remanence and coercivity of Ni nanowire arrays produced inside the pores of anodic alumina membranes has been studied. By comparing our analytical calculations with our measurements, we conclude that the magnetization reversal in this array is driven by means of the nuc...

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Bibliographic Details
Published in:arXiv.org 2010-10
Main Authors: Lavín, R, Denardin, J C, Escrig, J, Altbir, D, Cortés, A, Gómez, H
Format: Article
Language:English
Subjects:
Aluminum oxide
Arrays
Coercivity
Dependence
Magnetic properties
Magnetization reversal
Nanowires
Nucleation
Remanence
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Summary:The angular dependence of the remanence and coercivity of Ni nanowire arrays produced inside the pores of anodic alumina membranes has been studied. By comparing our analytical calculations with our measurements, we conclude that the magnetization reversal in this array is driven by means of the nucleation and propagation of a transverse wall. A simple model based on an adapted Stoner-Wohlfarth model is used to explain the angular dependence of the coercivity.
ISSN:2331-8422
DOI:10.48550/arxiv.1010.2264