Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders

Flash sintering is a novel sintering technique that allows high-density ceramics to be obtained at lowtemperatures and using short dwell times, thus providing an energy-efficient alternative to conventionalsintering. The microstructure of flash-sintered samples can be fine-tuned by a proper control...

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Detalles Bibliográficos
Autores: López-Blanco, Samuel, Vendrell, Xavier, Mestres i Vila, Ma. Lourdes, Ochoa Guerrero, Diego A., García García, José Eduardo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/208848
Acceso en línea:https://hdl.handle.net/2445/208848
Access Level:acceso abierto
Palabra clave:Bari
Ceràmiques electròniques
Microestructura
Barium
Electronic ceramics
Microstructure
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spelling Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowdersLópez-Blanco, SamuelVendrell, XavierMestres i Vila, Ma. LourdesOchoa Guerrero, Diego A.García García, José EduardoBariCeràmiques electròniquesMicroestructuraBariumElectronic ceramicsMicrostructureFlash sintering is a novel sintering technique that allows high-density ceramics to be obtained at lowtemperatures and using short dwell times, thus providing an energy-efficient alternative to conventionalsintering. The microstructure of flash-sintered samples can be fine-tuned by a proper control ofelectrical parameters such as current density, electric field, and current profile, yielding significantimprovements of functional properties. The starting powder should also be carefully selected sincebetter sintering results are reported for smaller green grain sizes. However, this work evidences timeevolution of electrical properties of flash-sintered BaTiO<sub>3</sub> ceramics from submicron powders. Theresults reveal that these transformations greatly depend on powder grain size and can be furtheradjusted with an adequate selection of electric power profiles. This work provides new insights intoongoing phenomena during field-assisted sintering, such as grain growth and defect formationdynamics. Although the results focus on BaTiO3, it offers a new pathway to tailor the microstructure offlash-sintered ceramics, which may be extended to other electronic materials.Royal Society of Chemistry2024202420232024info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion10 p.application/pdfhttps://hdl.handle.net/2445/208848Articles publicats en revistes (Química Inorgànica i Orgànica)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1039/D3TC02143BJournal of Materials Chemistry C, 2023, vol. 2023, num.11, p. 12740-12749https://doi.org/10.1039/D3TC02143Bcc-by-nc (c) López-Blanco, Samuel et al., 2023http://creativecommons.org/licenses/by-nc/3.0/es/info:eu-repo/semantics/openAccessoai:recercat.cat:2445/2088482026-05-29T05:05:01Z
dc.title.none.fl_str_mv Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
title Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
spellingShingle Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
López-Blanco, Samuel
Bari
Ceràmiques electròniques
Microestructura
Barium
Electronic ceramics
Microstructure
title_short Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
title_full Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
title_fullStr Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
title_full_unstemmed Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
title_sort Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
dc.creator.none.fl_str_mv López-Blanco, Samuel
Vendrell, Xavier
Mestres i Vila, Ma. Lourdes
Ochoa Guerrero, Diego A.
García García, José Eduardo
author López-Blanco, Samuel
author_facet López-Blanco, Samuel
Vendrell, Xavier
Mestres i Vila, Ma. Lourdes
Ochoa Guerrero, Diego A.
García García, José Eduardo
author_role author
author2 Vendrell, Xavier
Mestres i Vila, Ma. Lourdes
Ochoa Guerrero, Diego A.
García García, José Eduardo
author2_role author
author
author
author
dc.subject.none.fl_str_mv Bari
Ceràmiques electròniques
Microestructura
Barium
Electronic ceramics
Microstructure
topic Bari
Ceràmiques electròniques
Microestructura
Barium
Electronic ceramics
Microstructure
description Flash sintering is a novel sintering technique that allows high-density ceramics to be obtained at lowtemperatures and using short dwell times, thus providing an energy-efficient alternative to conventionalsintering. The microstructure of flash-sintered samples can be fine-tuned by a proper control ofelectrical parameters such as current density, electric field, and current profile, yielding significantimprovements of functional properties. The starting powder should also be carefully selected sincebetter sintering results are reported for smaller green grain sizes. However, this work evidences timeevolution of electrical properties of flash-sintered BaTiO<sub>3</sub> ceramics from submicron powders. Theresults reveal that these transformations greatly depend on powder grain size and can be furtheradjusted with an adequate selection of electric power profiles. This work provides new insights intoongoing phenomena during field-assisted sintering, such as grain growth and defect formationdynamics. Although the results focus on BaTiO3, it offers a new pathway to tailor the microstructure offlash-sintered ceramics, which may be extended to other electronic materials.
publishDate 2023
dc.date.none.fl_str_mv 2023
2024
2024
2024
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/2445/208848
url https://hdl.handle.net/2445/208848
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/10.1039/D3TC02143B
Journal of Materials Chemistry C, 2023, vol. 2023, num.11, p. 12740-12749
https://doi.org/10.1039/D3TC02143B
dc.rights.none.fl_str_mv cc-by-nc (c) López-Blanco, Samuel et al., 2023
http://creativecommons.org/licenses/by-nc/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc (c) López-Blanco, Samuel et al., 2023
http://creativecommons.org/licenses/by-nc/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 10 p.
application/pdf
dc.publisher.none.fl_str_mv Royal Society of Chemistry
publisher.none.fl_str_mv Royal Society of Chemistry
dc.source.none.fl_str_mv Articles publicats en revistes (Química Inorgànica i Orgànica)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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