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Microwave magnetoelectric effects in bilayer of ferrite and piezoelectric

Published online by Cambridge University Press:  06 February 2009

M. I. Bichurin ,
V. M. Petrov  and
T. A. Galkina
M. I. Bichurin
Affiliation:
Department of Design and Technology of Radio Equipment, Novgorod State University, 173003 Veliky Novgorod, Russia
V. M. Petrov*
Affiliation:
Department of Design and Technology of Radio Equipment, Novgorod State University, 173003 Veliky Novgorod, Russia
T. A. Galkina
Affiliation:
Department of Design and Technology of Radio Equipment, Novgorod State University, 173003 Veliky Novgorod, Russia
*
[email protected]
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Abstract

The present paper focuses on magnetoelectric (ME) interactions under ferromagnetic resonance (FMR) in a bilayer of a ferrite and a piezoelectric. Applying a dc electric field perpendicular to the sample plane induces a uniaxial magnetic anisotropy. The effects of flexural deformation and substrate clamping have been considered in determining the electric field induced FMR line shift. The obtained model is applied to a specific case of yttrium iron garnet/lead magnesium niobate-lead titanate. Our studies indicate that flexural deformation gives rise to a decrease in the strength of ME interaction for a free standing bilayer. The substrate thickness dependence of FMR line shift reveals a maximum for the substrate thickness that is approximately equal to that of the bilayer.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 45 , Issue 3 , March 2009 , 30801
Copyright
© EDP Sciences, 2009

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