Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets

[EN]The response of a magnetic domain wall to an external magnetic field in a perpendicularly magnetized synthetic antiferromagnet is studied using both micromagnetic simulations and a reduced model. It is found that the external field induces a sizable displacement between the position of the domai...

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Detalles Bibliográficos
Autores: Hadjoudja, Amina, García Sánchez, Felipe, López Díaz, Luis
Tipo de recurso: artículo
Estado:Versión borrador
Fecha de publicación:2024
País:España
Institución:Universidad de Salamanca (USAL)
Repositorio:GREDOS. Repositorio Institucional de la Universidad de Salamanca
OAI Identifier:oai:gredos.usal.es:10366/165852
Acceso en línea:http://hdl.handle.net/10366/165852
Access Level:acceso abierto
Palabra clave:Magnetism
Spin waves
Computationa physics
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spelling Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnetsHadjoudja, AminaGarcía Sánchez, FelipeLópez Díaz, LuisMagnetismSpin wavesComputationa physics[EN]The response of a magnetic domain wall to an external magnetic field in a perpendicularly magnetized synthetic antiferromagnet is studied using both micromagnetic simulations and a reduced model. It is found that the external field induces a sizable displacement between the position of the domain wall in each layer, which can be larger than the domain wall width for a sufficiently strong field. We also study the dynamic evolution of the system when this field is applied or removed. In both cases we find a complex response with two distinct phases that involve both internal domain wall rotation and coupled interlayer domain wall oscillations. As a result of this dynamics spin waves are radiated. The emitted radiation is characterized by a broadband spectrum and can be detected far away from the domain wall.IOP Publishing202520252024info:eu-repo/semantics/articleinfo:eu-repo/semantics/draftapplication/pdfhttp://hdl.handle.net/10366/165852reponame:GREDOS. Repositorio Institucional de la Universidad de Salamancainstname:Universidad de Salamanca (USAL)InglésPID2020-117024GB-C41Attribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:gredos.usal.es:10366/1658522026-06-07T06:28:51Z
dc.title.none.fl_str_mv Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
title Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
spellingShingle Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
Hadjoudja, Amina
Magnetism
Spin waves
Computationa physics
title_short Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
title_full Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
title_fullStr Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
title_full_unstemmed Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
title_sort Interlayer coupled domain wall dynamics induced by external magnetic field in synthetic antiferromagnets
dc.creator.none.fl_str_mv Hadjoudja, Amina
García Sánchez, Felipe
López Díaz, Luis
author Hadjoudja, Amina
author_facet Hadjoudja, Amina
García Sánchez, Felipe
López Díaz, Luis
author_role author
author2 García Sánchez, Felipe
López Díaz, Luis
author2_role author
author
dc.subject.none.fl_str_mv Magnetism
Spin waves
Computationa physics
topic Magnetism
Spin waves
Computationa physics
description [EN]The response of a magnetic domain wall to an external magnetic field in a perpendicularly magnetized synthetic antiferromagnet is studied using both micromagnetic simulations and a reduced model. It is found that the external field induces a sizable displacement between the position of the domain wall in each layer, which can be larger than the domain wall width for a sufficiently strong field. We also study the dynamic evolution of the system when this field is applied or removed. In both cases we find a complex response with two distinct phases that involve both internal domain wall rotation and coupled interlayer domain wall oscillations. As a result of this dynamics spin waves are radiated. The emitted radiation is characterized by a broadband spectrum and can be detected far away from the domain wall.
publishDate 2024
dc.date.none.fl_str_mv 2024
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/draft
format article
status_str draft
dc.identifier.none.fl_str_mv http://hdl.handle.net/10366/165852
url http://hdl.handle.net/10366/165852
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv PID2020-117024GB-C41
dc.rights.none.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv IOP Publishing
publisher.none.fl_str_mv IOP Publishing
dc.source.none.fl_str_mv reponame:GREDOS. Repositorio Institucional de la Universidad de Salamanca
instname:Universidad de Salamanca (USAL)
instname_str Universidad de Salamanca (USAL)
reponame_str GREDOS. Repositorio Institucional de la Universidad de Salamanca
collection GREDOS. Repositorio Institucional de la Universidad de Salamanca
repository.name.fl_str_mv
repository.mail.fl_str_mv
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