Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics

11 pages, 16 figures, 1 table.-- PACS: 81.05.Je; 77.84.Dy; 81.40.Ef; 77.22.Ch; 77.22.Gm; 77.80.Bh; 72.80.Sk; 81.20.Ev; 61.50.Nw; 77.22.Ej

Detalles Bibliográficos
Autores: Moure Arroyo, Alberto, Pardo, Lorena
Tipo de recurso: artículo
Fecha de publicación:2005
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/21737
Acceso en línea:http://hdl.handle.net/10261/21737
Access Level:acceso abierto
Palabra clave:Bismuth compounds
Titanium compounds
Ferroelectric ceramics
Piezoceramics
Grain size
Texture
Sintering
Hot pressing
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spelling Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramicsMoure Arroyo, AlbertoPardo, LorenaBismuth compoundsTitanium compoundsFerroelectric ceramicsPiezoceramicsGrain sizeTextureSinteringHot pressing11 pages, 16 figures, 1 table.-- PACS: 81.05.Je; 77.84.Dy; 81.40.Ef; 77.22.Ch; 77.22.Gm; 77.80.Bh; 72.80.Sk; 81.20.Ev; 61.50.Nw; 77.22.EjCeramics of composition Bi3TiNbO9 (BTN) and perovskite-layered structure (Aurivillius type) [B. Aurivillius, Ark. Kemi 1, 463 (1949)] were processed by natural sintering and hot pressing from amorphous precursors. Precursors were obtained by mechanochemical activation of stoichiometric mixtures of oxides. These materials are in general interesting for their use as high-temperature piezoelectrics. Among them, BTN possesses the highest ferroparaelectric phase-transition temperature (>900 °C). The transition temperature establishes the working limit of the ceramic and the electric properties, especially the dc conductivity, affect on its polarizability. In this work, dielectric studies of BTN ceramics with controlled texture and microstructure have been made at 1, 100 KHz, and 1 MHZ and in the temperature range from 200 °C up to the ferroparaelectric transition temperature. Values of ~250 at 200 °C are achieved in ceramics hot pressed at temperatures as low as 700 °C for 1 h.The authors thank the research projects 07N/0076/2002 of Spanish CAM and MAT2001-0561 of Spanish MCyT for the financial support of this work.Peer reviewedAmerican Institute of Physics201020102005info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501469025 bytesapplication/pdfhttp://hdl.handle.net/10261/21737reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1063/1.1865313info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/217372026-05-22T06:33:51Z
dc.title.none.fl_str_mv Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
title Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
spellingShingle Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
Moure Arroyo, Alberto
Bismuth compounds
Titanium compounds
Ferroelectric ceramics
Piezoceramics
Grain size
Texture
Sintering
Hot pressing
title_short Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
title_full Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
title_fullStr Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
title_full_unstemmed Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
title_sort Microstructure and texture dependence of the dielectric anomalies and dc conductivity of Bi3TiNbO9 ferroelectric ceramics
dc.creator.none.fl_str_mv Moure Arroyo, Alberto
Pardo, Lorena
author Moure Arroyo, Alberto
author_facet Moure Arroyo, Alberto
Pardo, Lorena
author_role author
author2 Pardo, Lorena
author2_role author
dc.subject.none.fl_str_mv Bismuth compounds
Titanium compounds
Ferroelectric ceramics
Piezoceramics
Grain size
Texture
Sintering
Hot pressing
topic Bismuth compounds
Titanium compounds
Ferroelectric ceramics
Piezoceramics
Grain size
Texture
Sintering
Hot pressing
description 11 pages, 16 figures, 1 table.-- PACS: 81.05.Je; 77.84.Dy; 81.40.Ef; 77.22.Ch; 77.22.Gm; 77.80.Bh; 72.80.Sk; 81.20.Ev; 61.50.Nw; 77.22.Ej
publishDate 2005
dc.date.none.fl_str_mv 2005
2010
2010
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/21737
url http://hdl.handle.net/10261/21737
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1063/1.1865313
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 469025 bytes
application/pdf
dc.publisher.none.fl_str_mv American Institute of Physics
publisher.none.fl_str_mv American Institute of Physics
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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