Issues »  Volume 36, Issue 11

The Anisotropy Induced by a Magnetostriction in Exchange-Biased Two-Layer Films

O. V. Gomonay$^{1}$, I. Lukyanchuk$^{2}$

$^{1}$National Technical University of Ukraine ‘KPI’, 37 Peremohy Ave., 03056 Kyiv, Ukraine
$^{2}$Laboratory of Cond. Mat. Physics, University of Picardy (LPMC—UPJV), 33 Rue Saint-Leu, 80039 Amiens, France

Received: 07.04.2014. Download: PDF

The exchange bias at ferromagnetic (FM)/antiferromagnetic (AF) interfaces strongly depends upon the state of antiferromagnetic layer, which is sensitive to mechanical stresses due to its strong magnetoelastic coupling. In a given paper, we consider magnetoelastic effects, which arise at FM/AF interface due to misfit of lattices and magnetic ordering. We show how magnetostriction affects mutual orientation of the AF and FM vectors as well as magnetic easy-axis direction in thin AF layer. The results obtained can be used for tailoring of exchange-biased systems.

Key words: magnetic anisotropy, exchange bias, magnetoelasticity, magnetic properties of interfaces, antiferromagnet.

URL: http://mfint.imp.kiev.ua/en/abstract/v36/i11/1453.html

DOI: https://doi.org/10.15407/mfint.36.11.1453

PACS: 75.30.Et, 75.30.Gw, 75.50.Ee, 75.70.Cn, 75.80.+q, 85.70.Ay

Citation: O. V. Gomonay and I. Lukyanchuk, The Anisotropy Induced by a Magnetostriction in Exchange-Biased Two-Layer Films, Metallofiz. Noveishie Tekhnol., 36, No. 11: 1453—1464 (2014)

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