Model for the correlation between magnetocrystalline energy and Barkhausen noise in ferromagnetic materials

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Abstract

© 2018 Elsevier B.V. In the present work a model for the correlation between magnetocrystalline anisotropy energy and Barkhausen noise is proposed. The link between the magnetocrystalline anisotropy energy and the magnetic Barkhausen noise is due to the influence of the crystallographic texture on the domain nucleation process which produces the Barkhausen signal in the branch from saturation to remanence. The statistical distributions of magnetic free poles and local fields of nucleation and subsequent growth of reversed domains were obtained for a large number of grain boundaries and used to estimate the number and size of Barkhausen events at each angular position from 0 to 360° in ten degree-steps. The good agreement observed between the modeled magnetocrystalline energy and the prediction of this energy made from X-ray texture and Barkhausen noise measurements corroborates the validity of the proposed model.
Original languageAmerican English
Pages (from-to)155-164
Number of pages138
JournalJournal of Magnetism and Magnetic Materials
DOIs
StatePublished - 15 May 2018

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Magnetocrystalline anisotropy
Ferromagnetic materials
ferromagnetic materials
Nucleation
Textures
Remanence
Poles
Grain boundaries
textures
nucleation
X rays
anisotropy
energy
remanence
noise measurement
statistical distributions
poles
grain boundaries
saturation
estimates

Cite this

@article{74507e4dbe194378878f13b62b251b9a,
title = "Model for the correlation between magnetocrystalline energy and Barkhausen noise in ferromagnetic materials",
abstract = "{\circledC} 2018 Elsevier B.V. In the present work a model for the correlation between magnetocrystalline anisotropy energy and Barkhausen noise is proposed. The link between the magnetocrystalline anisotropy energy and the magnetic Barkhausen noise is due to the influence of the crystallographic texture on the domain nucleation process which produces the Barkhausen signal in the branch from saturation to remanence. The statistical distributions of magnetic free poles and local fields of nucleation and subsequent growth of reversed domains were obtained for a large number of grain boundaries and used to estimate the number and size of Barkhausen events at each angular position from 0 to 360° in ten degree-steps. The good agreement observed between the modeled magnetocrystalline energy and the prediction of this energy made from X-ray texture and Barkhausen noise measurements corroborates the validity of the proposed model.",
author = "{Le Manh}, Tu and F. Caleyo and Hallen, {J. M.} and Espina-Hern{\'a}ndez, {J. H.} and P{\'e}rez-Benitez, {J. A.}",
year = "2018",
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language = "American English",
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journal = "Journal of Magnetism and Magnetic Materials",
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TY - JOUR

T1 - Model for the correlation between magnetocrystalline energy and Barkhausen noise in ferromagnetic materials

AU - Le Manh, Tu

AU - Caleyo, F.

AU - Hallen, J. M.

AU - Espina-Hernández, J. H.

AU - Pérez-Benitez, J. A.

PY - 2018/5/15

Y1 - 2018/5/15

N2 - © 2018 Elsevier B.V. In the present work a model for the correlation between magnetocrystalline anisotropy energy and Barkhausen noise is proposed. The link between the magnetocrystalline anisotropy energy and the magnetic Barkhausen noise is due to the influence of the crystallographic texture on the domain nucleation process which produces the Barkhausen signal in the branch from saturation to remanence. The statistical distributions of magnetic free poles and local fields of nucleation and subsequent growth of reversed domains were obtained for a large number of grain boundaries and used to estimate the number and size of Barkhausen events at each angular position from 0 to 360° in ten degree-steps. The good agreement observed between the modeled magnetocrystalline energy and the prediction of this energy made from X-ray texture and Barkhausen noise measurements corroborates the validity of the proposed model.

AB - © 2018 Elsevier B.V. In the present work a model for the correlation between magnetocrystalline anisotropy energy and Barkhausen noise is proposed. The link between the magnetocrystalline anisotropy energy and the magnetic Barkhausen noise is due to the influence of the crystallographic texture on the domain nucleation process which produces the Barkhausen signal in the branch from saturation to remanence. The statistical distributions of magnetic free poles and local fields of nucleation and subsequent growth of reversed domains were obtained for a large number of grain boundaries and used to estimate the number and size of Barkhausen events at each angular position from 0 to 360° in ten degree-steps. The good agreement observed between the modeled magnetocrystalline energy and the prediction of this energy made from X-ray texture and Barkhausen noise measurements corroborates the validity of the proposed model.

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EP - 164

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

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