Angle-resolved analysis of magnetic hysteresis for micro-magnetic clusters with local deformations

Katsuhiko Yamaguchi; Kenji Suzuki; Osamu Nittono; Toshiyuki Takagi; Koji Yamada

doi:10.1016/j.physb.2007.08.048

Angle-resolved analysis of magnetic hysteresis for micro-magnetic clusters with local deformations

Katsuhiko Yamaguchi, Kenji Suzuki, Osamu Nittono, Toshiyuki Takagi, Koji Yamada

Center for Fundamental Research on Nuclear Decommissioning (CFReND)

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Magnetic dynamic process for an octagonal micro-magnetic cluster with one dislocation loop was simulated by pseudo-nonequilibrial Monte Carlo method including pseudo-dipole interaction. The results showed that the magnetic hysteresis curves of micro-magnetic clusters with one dislocation loop and of those without any deformation differ. The difference is more clearly shown for noise pattern of magnetization process, which depends on dynamic behavior of spin ensemble. A series of snapshots for spin ensemble displays that the magnetization process depends on the direction of the applied magnetic field. We propose usefulness of angle-resolved analysis of magnetic dynamic process to evaluate magnetic clusters.

Original language	English
Pages (from-to)	354-359
Number of pages	6
Journal	Physica B: Condensed Matter
Volume	403
Issue number	2-3
DOIs	https://doi.org/10.1016/j.physb.2007.08.048
Publication status	Published - 2008 Feb 1

Keywords

Magnetic hysteresis modeling
Magnetization processes
Monte Carlo method

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "Magnetic dynamic process for an octagonal micro-magnetic cluster with one dislocation loop was simulated by pseudo-nonequilibrial Monte Carlo method including pseudo-dipole interaction. The results showed that the magnetic hysteresis curves of micro-magnetic clusters with one dislocation loop and of those without any deformation differ. The difference is more clearly shown for noise pattern of magnetization process, which depends on dynamic behavior of spin ensemble. A series of snapshots for spin ensemble displays that the magnetization process depends on the direction of the applied magnetic field. We propose usefulness of angle-resolved analysis of magnetic dynamic process to evaluate magnetic clusters.",

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author = "Katsuhiko Yamaguchi and Kenji Suzuki and Osamu Nittono and Toshiyuki Takagi and Koji Yamada",

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T1 - Angle-resolved analysis of magnetic hysteresis for micro-magnetic clusters with local deformations

AU - Yamaguchi, Katsuhiko

AU - Suzuki, Kenji

AU - Nittono, Osamu

AU - Takagi, Toshiyuki

AU - Yamada, Koji

PY - 2008/2/1

Y1 - 2008/2/1

N2 - Magnetic dynamic process for an octagonal micro-magnetic cluster with one dislocation loop was simulated by pseudo-nonequilibrial Monte Carlo method including pseudo-dipole interaction. The results showed that the magnetic hysteresis curves of micro-magnetic clusters with one dislocation loop and of those without any deformation differ. The difference is more clearly shown for noise pattern of magnetization process, which depends on dynamic behavior of spin ensemble. A series of snapshots for spin ensemble displays that the magnetization process depends on the direction of the applied magnetic field. We propose usefulness of angle-resolved analysis of magnetic dynamic process to evaluate magnetic clusters.

AB - Magnetic dynamic process for an octagonal micro-magnetic cluster with one dislocation loop was simulated by pseudo-nonequilibrial Monte Carlo method including pseudo-dipole interaction. The results showed that the magnetic hysteresis curves of micro-magnetic clusters with one dislocation loop and of those without any deformation differ. The difference is more clearly shown for noise pattern of magnetization process, which depends on dynamic behavior of spin ensemble. A series of snapshots for spin ensemble displays that the magnetization process depends on the direction of the applied magnetic field. We propose usefulness of angle-resolved analysis of magnetic dynamic process to evaluate magnetic clusters.

KW - Magnetic hysteresis modeling

KW - Magnetization processes

KW - Monte Carlo method

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Angle-resolved analysis of magnetic hysteresis for micro-magnetic clusters with local deformations

Abstract

Keywords

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