Magnetostriction-induced anisotropy in the exchange biased bilayers
Olena Gomonay, Igor Lukyanchuk
TL;DR
This paper investigates how magnetostriction influences the magnetic anisotropy in exchange biased ferromagnetic/antiferromagnetic bilayers, highlighting the role of magnetoelastic effects at the interface.
Contribution
It introduces a detailed analysis of magnetostriction effects on AF and FM vector orientations due to lattice misfit and magnetic ordering, aiding in the design of tailored exchange biased systems.
Findings
Magnetostriction affects the mutual orientation of AF and FM vectors.
Magnetoelastic coupling influences the easy-axis direction in AF layers.
Results can be used to engineer exchange bias properties.
Abstract
The exchange bias at ferromagnetic/antiferromagnetic interfaces strongly depends upon the state of antiferromagnetic (AF) layer which, due to strong magnetoelastic coupling, is sensitive to mechanical stresses. In the present paper we consider magnetoelastic effects that arise at FM/AF interface due to lattice misfit and magnetic ordering. We show how magnetostriction affects mutual orientation of AF and FM vectors and easy-axis direction in thin AF layer. The results obtained could be used for tailoring exchange biased systems.
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Taxonomy
TopicsMagnetic Properties and Applications · Magnetic properties of thin films · Metallic Glasses and Amorphous Alloys