Dipolar-exchange spin waves in thin bilayers

Rob den Teuling; Ritesh Das; Artem V. Bondarenko; Elena V. Tartakovskaya; Gerrit E.W. Bauer; Yaroslav M. Blanter

doi:10.1063/10.0038642

Dipolar-exchange spin waves in thin bilayers

Rob den Teuling, Ritesh Das, Artem V. Bondarenko, Elena V. Tartakovskaya^*, Gerrit E.W. Bauer, Yaroslav M. Blanter

^*Corresponding author for this work

QN/Blanter Group

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

We investigate the dipolar-exchange spin wave spectrum in thin ferromagnetic bilayers with in-plane magnetization, incorporating interlayer exchange coupling and intra- and interlayer dipolar interactions. In the continuum approximation, we analyze the nonreciprocity of propagating magnetic stray fields emitted by spin waves as a function of the relative orientation of the layer magnetizations that are observable by magnetometry of synthetic antiferromagnets or weakly coupled type-A van der Waals antiferromagnetic bilayers as a function of an applied magnetic field.

Original language	English
Pages (from-to)	998-1003
Number of pages	6
Journal	Low Temperature Physics
Volume	51
Issue number	8
DOIs	https://doi.org/10.1063/10.0038642
Publication status	Published - 2025

Bibliographical note

Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

dipolar exchange
exchange coupling
ferromagnetic bilayers
magnetization
spin waves

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10.1063/10.0038642

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title = "Dipolar-exchange spin waves in thin bilayers",

abstract = "We investigate the dipolar-exchange spin wave spectrum in thin ferromagnetic bilayers with in-plane magnetization, incorporating interlayer exchange coupling and intra- and interlayer dipolar interactions. In the continuum approximation, we analyze the nonreciprocity of propagating magnetic stray fields emitted by spin waves as a function of the relative orientation of the layer magnetizations that are observable by magnetometry of synthetic antiferromagnets or weakly coupled type-A van der Waals antiferromagnetic bilayers as a function of an applied magnetic field.",

keywords = "dipolar exchange, exchange coupling, ferromagnetic bilayers, magnetization, spin waves",

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note = "Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.",

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doi = "10.1063/10.0038642",

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AU - Teuling, Rob den

AU - Das, Ritesh

AU - Bondarenko, Artem V.

AU - Tartakovskaya, Elena V.

AU - Bauer, Gerrit E.W.

AU - Blanter, Yaroslav M.

N1 - Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2025

Y1 - 2025

N2 - We investigate the dipolar-exchange spin wave spectrum in thin ferromagnetic bilayers with in-plane magnetization, incorporating interlayer exchange coupling and intra- and interlayer dipolar interactions. In the continuum approximation, we analyze the nonreciprocity of propagating magnetic stray fields emitted by spin waves as a function of the relative orientation of the layer magnetizations that are observable by magnetometry of synthetic antiferromagnets or weakly coupled type-A van der Waals antiferromagnetic bilayers as a function of an applied magnetic field.

AB - We investigate the dipolar-exchange spin wave spectrum in thin ferromagnetic bilayers with in-plane magnetization, incorporating interlayer exchange coupling and intra- and interlayer dipolar interactions. In the continuum approximation, we analyze the nonreciprocity of propagating magnetic stray fields emitted by spin waves as a function of the relative orientation of the layer magnetizations that are observable by magnetometry of synthetic antiferromagnets or weakly coupled type-A van der Waals antiferromagnetic bilayers as a function of an applied magnetic field.

KW - dipolar exchange

KW - exchange coupling

KW - ferromagnetic bilayers

KW - magnetization

KW - spin waves

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JO - Low Temperature Physics

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IS - 8

ER -

Dipolar-exchange spin waves in thin bilayers

Abstract

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