Influence of magnetic anisotropy on hysteresis behavior in the two-spin model of a ferro/antiferromagnet bilayer with exchange bias

A. G. Grechnev, A. S. Kovalev, M. L. Pankratova*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The influence of magnetic anisotropy of a ferromagnetic film on the phenomenon of exchange bias is studied here. Hysteresis behavior in the two-spin model of a ferro/antiferromagnetic (FM/AFM) bilayer with exchange bias has been investigated in detail. In this model a half-space of an AFM with fixed magnetic configuration comes in contact with a two-layer FM film. Twelve different types of magnetization curves M(H) (both with and without hysteresis) have been found. Some of the M(H) curves demonstrate unusual features, such as plateaus and inclined segments. The hysteresis loop becomes asymmetric if surface anisotropy is taken into account.

Original languageEnglish
Pages (from-to)937-942
Number of pages6
JournalLow Temperature Physics
Volume38
Issue number10
DOIs
Publication statusPublished - 1 Nov 2012

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hysteresis
frequency modulation
anisotropy
atomic force microscopy
ferromagnetic films
curves
half spaces
plateaus
magnetization
configurations

Bibliographical note

© 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Low Temperature Physics 38, 937 (2012) and may be found at https://doi.org/10.1063/1.4758774

Cite this

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abstract = "The influence of magnetic anisotropy of a ferromagnetic film on the phenomenon of exchange bias is studied here. Hysteresis behavior in the two-spin model of a ferro/antiferromagnetic (FM/AFM) bilayer with exchange bias has been investigated in detail. In this model a half-space of an AFM with fixed magnetic configuration comes in contact with a two-layer FM film. Twelve different types of magnetization curves M(H) (both with and without hysteresis) have been found. Some of the M(H) curves demonstrate unusual features, such as plateaus and inclined segments. The hysteresis loop becomes asymmetric if surface anisotropy is taken into account.",
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Influence of magnetic anisotropy on hysteresis behavior in the two-spin model of a ferro/antiferromagnet bilayer with exchange bias. / Grechnev, A. G.; Kovalev, A. S.; Pankratova, M. L.

In: Low Temperature Physics, Vol. 38, No. 10, 01.11.2012, p. 937-942.

Research output: Contribution to journalArticle

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