Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures

Proximity effect at superconductor/antiferromagnet (S/AF) interfaces, which manifests itself as generation of Néel-type triplet correlations, leads to sensitivity of the superconducting critical temperature to the mutual orientation of the AF Néel vectors in AF/S/AF trilayers, which is called the sp...

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Detalles Bibliográficos
Autores: Bobkov, G.A., Gordeeva, V.M., Johnsen Kamra, Lina, Chourasia, Simran, Bobkov, A.M., Kamra, Akashdeep, Bobkova, I.V.
Tipo de recurso: artículo
Fecha de publicación:2024
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:repositorio.uam.es:10486/716757
Acceso en línea:http://hdl.handle.net/10486/716757
https://dx.doi.org/10.1103/PhysRevB.109.184504
Access Level:acceso abierto
Palabra clave:Magnetic devices
magnetoresistance
temperature
antiferromagnets
finite momentum
Física
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spelling Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructuresBobkov, G.A.Gordeeva, V.M.Johnsen Kamra, LinaChourasia, SimranBobkov, A.M.Kamra, AkashdeepBobkova, I.V.Magnetic devicesmagnetoresistancetemperatureantiferromagnetsfinite momentumFísicaProximity effect at superconductor/antiferromagnet (S/AF) interfaces, which manifests itself as generation of Néel-type triplet correlations, leads to sensitivity of the superconducting critical temperature to the mutual orientation of the AF Néel vectors in AF/S/AF trilayers, which is called the spin-valve effect. Here we predict that the spin-valve effect in AF/S/AF heterostructures crucially depends on the value of the chemical potential of the superconducting interlayer due to the occurrence of the finite-momentum Néel triplet correlations. In addition, we investigate equal-spin-triplet correlations, which appear in AF/S/AF structures for nonaligned Néel vectors of the AFs, and their role in the nonmonotonic dependence of the superconducting critical temperature of the AF/S/AF structure on the mutual orientation of the AF Néel vectors. The influence of impurities on the spin-valve effect is also investigatedAmerican Physical SocietyDepartamento de Física Teórica de la Materia CondensadaFacultad de Ciencias20242024-05-01research articlehttp://purl.org/coar/resource_type/c_2df8fbb1AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10486/716757https://dx.doi.org/10.1103/PhysRevB.109.184504reponame:Biblos-e Archivo. Repositorio Institucional de la UAMinstname:Universidad Autónoma de MadridInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:repositorio.uam.es:10486/7167572026-06-23T12:46:27Z
dc.title.none.fl_str_mv Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
title Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
spellingShingle Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
Bobkov, G.A.
Magnetic devices
magnetoresistance
temperature
antiferromagnets
finite momentum
Física
title_short Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
title_full Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
title_fullStr Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
title_full_unstemmed Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
title_sort Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures
dc.creator.none.fl_str_mv Bobkov, G.A.
Gordeeva, V.M.
Johnsen Kamra, Lina
Chourasia, Simran
Bobkov, A.M.
Kamra, Akashdeep
Bobkova, I.V.
author Bobkov, G.A.
author_facet Bobkov, G.A.
Gordeeva, V.M.
Johnsen Kamra, Lina
Chourasia, Simran
Bobkov, A.M.
Kamra, Akashdeep
Bobkova, I.V.
author_role author
author2 Gordeeva, V.M.
Johnsen Kamra, Lina
Chourasia, Simran
Bobkov, A.M.
Kamra, Akashdeep
Bobkova, I.V.
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Física Teórica de la Materia Condensada
Facultad de Ciencias
dc.subject.none.fl_str_mv Magnetic devices
magnetoresistance
temperature
antiferromagnets
finite momentum
Física
topic Magnetic devices
magnetoresistance
temperature
antiferromagnets
finite momentum
Física
description Proximity effect at superconductor/antiferromagnet (S/AF) interfaces, which manifests itself as generation of Néel-type triplet correlations, leads to sensitivity of the superconducting critical temperature to the mutual orientation of the AF Néel vectors in AF/S/AF trilayers, which is called the spin-valve effect. Here we predict that the spin-valve effect in AF/S/AF heterostructures crucially depends on the value of the chemical potential of the superconducting interlayer due to the occurrence of the finite-momentum Néel triplet correlations. In addition, we investigate equal-spin-triplet correlations, which appear in AF/S/AF structures for nonaligned Néel vectors of the AFs, and their role in the nonmonotonic dependence of the superconducting critical temperature of the AF/S/AF structure on the mutual orientation of the AF Néel vectors. The influence of impurities on the spin-valve effect is also investigated
publishDate 2024
dc.date.none.fl_str_mv 2024
2024-05-01
dc.type.none.fl_str_mv research article
http://purl.org/coar/resource_type/c_2df8fbb1
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10486/716757
https://dx.doi.org/10.1103/PhysRevB.109.184504
url http://hdl.handle.net/10486/716757
https://dx.doi.org/10.1103/PhysRevB.109.184504
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:Biblos-e Archivo. Repositorio Institucional de la UAM
instname:Universidad Autónoma de Madrid
instname_str Universidad Autónoma de Madrid
reponame_str Biblos-e Archivo. Repositorio Institucional de la UAM
collection Biblos-e Archivo. Repositorio Institucional de la UAM
repository.name.fl_str_mv
repository.mail.fl_str_mv
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