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1996 | 89 | 3 | 421-424
Article title

Lattice Misfit Strain as Origin for Biquadratic Interlayer Coupling

Content
Title variants
Languages of publication
EN
Abstracts
EN
The direct observations of some MBE grown superlattices show large interfacial undulations, which is attributed to the elastic relaxation of tensile layers. Assuming that the interface lateral lattice deformation, due to ionic radii misfit, is given by the periodic solution of the Frenkel-Kontorova model, we calculate the magnetoelastic contribution to the biquadratic magnetic coupling between ferromagnetic layers across the nonmagnetic spacer. We show that due to the correlated modulations of the effective bilinear exchange integral, there arises a biquadratic exchange which favours perpendicular orientations of magnetization in adjacent ferromagnetic layers.
Keywords
EN
Year
Volume
89
Issue
3
Pages
421-424
Physical description
Dates
published
1996-03
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv89z322kz
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