Hierarchical domain structures in buckled ferroelectric free sheets

Flat elastic sheets tend to display wrinkles and folds. From pieces of clothing down to two-dimensional crystals, these corrugations appear in response to strain generated by sheet compression or stretching, thermal or mechanical mismatch with other elastic layers, or surface tension. Extensively st...

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Autores: Pesquera, David, Cordero-Edwards, Kumara, Checa Nualart, Martí, Ivanov, Ilia, Casals Montserrat, Blai, Rosado, Marcos, Caicedo, José Manuel, Casado-Zueras, Laura, Pablo-Navarro, Javier, Magén, César, Santiso, José, Domingo, Neus, Catalan, Gustau, Sandiumenge, Felip
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/221659
Acceso en línea:https://hdl.handle.net/2445/221659
Access Level:acceso abierto
Palabra clave:Òxids
Ferroelectricitat
Oxides
Ferroelectricity
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spelling Hierarchical domain structures in buckled ferroelectric free sheetsPesquera, DavidCordero-Edwards, KumaraCheca Nualart, MartíIvanov, IliaCasals Montserrat, BlaiRosado, MarcosCaicedo, José ManuelCasado-Zueras, LauraPablo-Navarro, JavierMagén, CésarSantiso, JoséDomingo, NeusCatalan, GustauSandiumenge, FelipÒxidsFerroelectricitatOxidesFerroelectricityFlat elastic sheets tend to display wrinkles and folds. From pieces of clothing down to two-dimensional crystals, these corrugations appear in response to strain generated by sheet compression or stretching, thermal or mechanical mismatch with other elastic layers, or surface tension. Extensively studied in metals, polymers and, — more recently — in van der Waals exfoliated layers, with the advent of thin single crystal freestanding films of complex oxides, researchers are now paying attention to novel microstructural effects induced by bending ferroelectric-ferroelastics, where polarization is strongly coupled to lattice deformation. Here we show that wrinkle undulations in BaTiO3 sheets bonded to a viscoelastic substrate transform into a buckle delamination geometry when transferred onto a rigid substrate. Using spatially resolved techniques at different scales (Raman, scanning probe and electron microscopy), we show how these delaminations in the free BaTiO3 sheets display a self-organization of ferroelastic domains along the buckle profile that strongly differs from the more studied sinusoidal wrinkle geometry. Moreover, we disclose the hierarchical distribution of a secondary set of domains induced by the misalignment of these folding structures from the preferred in-plane crystallographic orientations. Our results disclose the relevance of the morphology and orientation of buckling instabilities in ferroelectric free sheets, for the stabilization of different domain structures, pointing to new routes for domain engineering of ferroelectrics in flexible oxide sheets.Elsevier Ltd.2025info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/221659Articles publicats en revistes (Física Aplicada)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/https://doi.org/10.1016/j.actamat.2025.121080Acta Materialia, 2025, vol. 293https://doi.org/https://doi.org/10.1016/j.actamat.2025.121080cc-by-nc-nd (c) Pesquera, David, et al., 2025http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/2216592026-05-27T06:46:51Z
dc.title.none.fl_str_mv Hierarchical domain structures in buckled ferroelectric free sheets
title Hierarchical domain structures in buckled ferroelectric free sheets
spellingShingle Hierarchical domain structures in buckled ferroelectric free sheets
Pesquera, David
Òxids
Ferroelectricitat
Oxides
Ferroelectricity
title_short Hierarchical domain structures in buckled ferroelectric free sheets
title_full Hierarchical domain structures in buckled ferroelectric free sheets
title_fullStr Hierarchical domain structures in buckled ferroelectric free sheets
title_full_unstemmed Hierarchical domain structures in buckled ferroelectric free sheets
title_sort Hierarchical domain structures in buckled ferroelectric free sheets
dc.creator.none.fl_str_mv Pesquera, David
Cordero-Edwards, Kumara
Checa Nualart, Martí
Ivanov, Ilia
Casals Montserrat, Blai
Rosado, Marcos
Caicedo, José Manuel
Casado-Zueras, Laura
Pablo-Navarro, Javier
Magén, César
Santiso, José
Domingo, Neus
Catalan, Gustau
Sandiumenge, Felip
author Pesquera, David
author_facet Pesquera, David
Cordero-Edwards, Kumara
Checa Nualart, Martí
Ivanov, Ilia
Casals Montserrat, Blai
Rosado, Marcos
Caicedo, José Manuel
Casado-Zueras, Laura
Pablo-Navarro, Javier
Magén, César
Santiso, José
Domingo, Neus
Catalan, Gustau
Sandiumenge, Felip
author_role author
author2 Cordero-Edwards, Kumara
Checa Nualart, Martí
Ivanov, Ilia
Casals Montserrat, Blai
Rosado, Marcos
Caicedo, José Manuel
Casado-Zueras, Laura
Pablo-Navarro, Javier
Magén, César
Santiso, José
Domingo, Neus
Catalan, Gustau
Sandiumenge, Felip
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Òxids
Ferroelectricitat
Oxides
Ferroelectricity
topic Òxids
Ferroelectricitat
Oxides
Ferroelectricity
description Flat elastic sheets tend to display wrinkles and folds. From pieces of clothing down to two-dimensional crystals, these corrugations appear in response to strain generated by sheet compression or stretching, thermal or mechanical mismatch with other elastic layers, or surface tension. Extensively studied in metals, polymers and, — more recently — in van der Waals exfoliated layers, with the advent of thin single crystal freestanding films of complex oxides, researchers are now paying attention to novel microstructural effects induced by bending ferroelectric-ferroelastics, where polarization is strongly coupled to lattice deformation. Here we show that wrinkle undulations in BaTiO3 sheets bonded to a viscoelastic substrate transform into a buckle delamination geometry when transferred onto a rigid substrate. Using spatially resolved techniques at different scales (Raman, scanning probe and electron microscopy), we show how these delaminations in the free BaTiO3 sheets display a self-organization of ferroelastic domains along the buckle profile that strongly differs from the more studied sinusoidal wrinkle geometry. Moreover, we disclose the hierarchical distribution of a secondary set of domains induced by the misalignment of these folding structures from the preferred in-plane crystallographic orientations. Our results disclose the relevance of the morphology and orientation of buckling instabilities in ferroelectric free sheets, for the stabilization of different domain structures, pointing to new routes for domain engineering of ferroelectrics in flexible oxide sheets.
publishDate 2025
dc.date.none.fl_str_mv 2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/221659
url https://hdl.handle.net/2445/221659
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/https://doi.org/10.1016/j.actamat.2025.121080
Acta Materialia, 2025, vol. 293
https://doi.org/https://doi.org/10.1016/j.actamat.2025.121080
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Pesquera, David, et al., 2025
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Pesquera, David, et al., 2025
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 Elsevier Ltd.
publisher.none.fl_str_mv Elsevier Ltd.
dc.source.none.fl_str_mv Articles publicats en revistes (Física Aplicada)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.811543

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