A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers

The wealth of complex polar topologies1–10 recently found in nanoscale ferroelectrics results from a delicate balance between the intrinsic tendency of the materials to develop a homogeneous polarization and the electric and mechanical boundary conditions imposed on them. Ferroelectric–dielectric in...

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Autores: Sánchez Santolino, Gabriel, Rouco Gómez, Víctor, Puebla, S, Aramberri, H., Zamora Castro, Víctor, Cabero Piris, Mariona, Cuéllar Jiménez, Fabian Andrés, Munuera, C., Mompean, F., García Hernández, M., Castellanos Gómez, A., Iñiquez, J., León Yebra, Carlos, Santamaría Sánchez-Barriga, Jacobo
Tipo de recurso: artículo
Fecha de publicación:2024
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/105803
Acceso en línea:https://hdl.handle.net/20.500.14352/105803
Access Level:acceso abierto
Palabra clave:538.9
Electric polarization
Rotation
Domains
Física del estado sólido
2211 Física del Estado Sólido
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oai_identifier_str oai:docta.ucm.es:20.500.14352/105803
network_acronym_str ES
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repository_id_str
spelling A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layersSánchez Santolino, GabrielRouco Gómez, VíctorPuebla, SAramberri, H.Zamora Castro, VíctorCabero Piris, MarionaCuéllar Jiménez, Fabian AndrésMunuera, C.Mompean, F.García Hernández, M.Castellanos Gómez, A.Iñiquez, J.León Yebra, CarlosSantamaría Sánchez-Barriga, Jacobo538.9Electric polarizationRotationDomainsFísica del estado sólido2211 Física del Estado SólidoThe wealth of complex polar topologies1–10 recently found in nanoscale ferroelectrics results from a delicate balance between the intrinsic tendency of the materials to develop a homogeneous polarization and the electric and mechanical boundary conditions imposed on them. Ferroelectric–dielectric interfaces are model systems in which polarization curling originates from open circuit-like electric boundary conditions, to avoid the build-up of polarization charges through the formation of fuxclosure11–14 domains that evolve into vortex-like structures at the nanoscale15–17 level. Although ferroelectricity is known to couple strongly with strain (both homogeneous18 and inhomogeneous19,20), the efect of mechanical constraints21 on thin-flm nanoscale ferroelectrics has been comparatively less explored because of the relative paucity of strain patterns that can be implemented experimentally. Here we show that the stacking of freestanding ferroelectric perovskite layers with controlled twist angles provides an opportunity to tailor these topological nanostructures in a way determined by the lateral strain modulation associated with the twisting. Furthermore, we fnd that a peculiar pattern of polarization vortices and antivortices emerges from the fexoelectric coupling of polarization to strain gradients. This fnding provides opportunities to create two-dimensional high-density vortex crystals that would enable us to explore previously unknown physical efects and functionalities.Nature ResearchUniversidad Complutense de Madrid20242024-02-1420242024-02-14journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/105803reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/1058032026-06-02T12:44:21Z
dc.title.none.fl_str_mv A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
title A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
spellingShingle A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
Sánchez Santolino, Gabriel
538.9
Electric polarization
Rotation
Domains
Física del estado sólido
2211 Física del Estado Sólido
title_short A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
title_full A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
title_fullStr A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
title_full_unstemmed A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
title_sort A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers
dc.creator.none.fl_str_mv Sánchez Santolino, Gabriel
Rouco Gómez, Víctor
Puebla, S
Aramberri, H.
Zamora Castro, Víctor
Cabero Piris, Mariona
Cuéllar Jiménez, Fabian Andrés
Munuera, C.
Mompean, F.
García Hernández, M.
Castellanos Gómez, A.
Iñiquez, J.
León Yebra, Carlos
Santamaría Sánchez-Barriga, Jacobo
author Sánchez Santolino, Gabriel
author_facet Sánchez Santolino, Gabriel
Rouco Gómez, Víctor
Puebla, S
Aramberri, H.
Zamora Castro, Víctor
Cabero Piris, Mariona
Cuéllar Jiménez, Fabian Andrés
Munuera, C.
Mompean, F.
García Hernández, M.
Castellanos Gómez, A.
Iñiquez, J.
León Yebra, Carlos
Santamaría Sánchez-Barriga, Jacobo
author_role author
author2 Rouco Gómez, Víctor
Puebla, S
Aramberri, H.
Zamora Castro, Víctor
Cabero Piris, Mariona
Cuéllar Jiménez, Fabian Andrés
Munuera, C.
Mompean, F.
García Hernández, M.
Castellanos Gómez, A.
Iñiquez, J.
León Yebra, Carlos
Santamaría Sánchez-Barriga, Jacobo
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 538.9
Electric polarization
Rotation
Domains
Física del estado sólido
2211 Física del Estado Sólido
topic 538.9
Electric polarization
Rotation
Domains
Física del estado sólido
2211 Física del Estado Sólido
description The wealth of complex polar topologies1–10 recently found in nanoscale ferroelectrics results from a delicate balance between the intrinsic tendency of the materials to develop a homogeneous polarization and the electric and mechanical boundary conditions imposed on them. Ferroelectric–dielectric interfaces are model systems in which polarization curling originates from open circuit-like electric boundary conditions, to avoid the build-up of polarization charges through the formation of fuxclosure11–14 domains that evolve into vortex-like structures at the nanoscale15–17 level. Although ferroelectricity is known to couple strongly with strain (both homogeneous18 and inhomogeneous19,20), the efect of mechanical constraints21 on thin-flm nanoscale ferroelectrics has been comparatively less explored because of the relative paucity of strain patterns that can be implemented experimentally. Here we show that the stacking of freestanding ferroelectric perovskite layers with controlled twist angles provides an opportunity to tailor these topological nanostructures in a way determined by the lateral strain modulation associated with the twisting. Furthermore, we fnd that a peculiar pattern of polarization vortices and antivortices emerges from the fexoelectric coupling of polarization to strain gradients. This fnding provides opportunities to create two-dimensional high-density vortex crystals that would enable us to explore previously unknown physical efects and functionalities.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024-02-14
2024
2024-02-14
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/105803
url https://hdl.handle.net/20.500.14352/105803
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 Nature Research
publisher.none.fl_str_mv Nature Research
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869405107886489600
score 15,81155

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