Relation between exchange anisotropy and magnetization reversal asymmetry in FE/MnF2 bilayers

I. N. Krivorotov; C. Leighton; J. Nogués; Ivan K. Schuller; E. Dan Dahlberg

Relation between exchange anisotropy and magnetization reversal asymmetry in FE/MnF₂ bilayers

I. N. Krivorotov, C. Leighton, J. Nogués, Ivan K. Schuller, E. Dan Dahlberg

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Abstract

The angular dependence of the magnetic anisotropy of exchange biased Fe/MnF₂ bilayers was measured. Below the Néel temperature of the antiferromagnetic MnF₂ layer, an exchange anisotropy is observed which consists of unidirectional, uniaxial, threefold and fourfold symmetry components. The threefold exchange anisotropy term is responsible for the asymmetric magnetization reversal process recently observed in this system.

Original language	English (US)
Article number	100402
Pages (from-to)	1004021-1004024
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	10
State	Published - Mar 1 2002

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abstract = "The angular dependence of the magnetic anisotropy of exchange biased Fe/MnF2 bilayers was measured. Below the N{\'e}el temperature of the antiferromagnetic MnF2 layer, an exchange anisotropy is observed which consists of unidirectional, uniaxial, threefold and fourfold symmetry components. The threefold exchange anisotropy term is responsible for the asymmetric magnetization reversal process recently observed in this system.",

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AU - Nogués, J.

AU - Schuller, Ivan K.

AU - Dan Dahlberg, E.

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AB - The angular dependence of the magnetic anisotropy of exchange biased Fe/MnF2 bilayers was measured. Below the Néel temperature of the antiferromagnetic MnF2 layer, an exchange anisotropy is observed which consists of unidirectional, uniaxial, threefold and fourfold symmetry components. The threefold exchange anisotropy term is responsible for the asymmetric magnetization reversal process recently observed in this system.

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Relation between exchange anisotropy and magnetization reversal asymmetry in FE/MnF₂ bilayers

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