Defect-modified exchange bias

J-V. Kim; Robert Stamps

doi:10.1063/1.1413731

Defect-modified exchange bias

J-V. Kim, Robert Stamps

Graduate Research School

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

45 Citations (Scopus)

Abstract

The influence of local defects in exchange biased ferromagnetic/antiferromagnetic bilayers is studied using numerical simulations. The location of defects relative to the interface is found to be the main factor determining the magnitude of coercive and bias field modifications. One consequence is that some types of defects control stability of partial wall structures. This may explain coercivity enhancement as arising from irreversible pinning of partial domain walls in the antiferromagnet. (C) 2001 American Institute of Physics.

Original language	English
Pages (from-to)	2785-2787
Journal	Applied Physics Letters
Volume	79
Issue number	17
DOIs	https://doi.org/10.1063/1.1413731
Publication status	Published - 2001

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10.1063/1.1413731

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title = "Defect-modified exchange bias",

abstract = "The influence of local defects in exchange biased ferromagnetic/antiferromagnetic bilayers is studied using numerical simulations. The location of defects relative to the interface is found to be the main factor determining the magnitude of coercive and bias field modifications. One consequence is that some types of defects control stability of partial wall structures. This may explain coercivity enhancement as arising from irreversible pinning of partial domain walls in the antiferromagnet. (C) 2001 American Institute of Physics.",

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AB - The influence of local defects in exchange biased ferromagnetic/antiferromagnetic bilayers is studied using numerical simulations. The location of defects relative to the interface is found to be the main factor determining the magnitude of coercive and bias field modifications. One consequence is that some types of defects control stability of partial wall structures. This may explain coercivity enhancement as arising from irreversible pinning of partial domain walls in the antiferromagnet. (C) 2001 American Institute of Physics.

U2 - 10.1063/1.1413731

DO - 10.1063/1.1413731

M3 - Article

SN - 0003-6951

VL - 79

SP - 2785

EP - 2787

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 17

ER -

Defect-modified exchange bias

Abstract

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