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Preparation of phase pure, dense fine grained ceramics by conventional and spark plasma sintering of La-substituted BiFeO3 nanoparticles

 

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dc.creator Perejón Pazo, Antonio es
dc.creator Sánchez Jiménez, Pedro Enrique es
dc.creator Poyato Galán, Rosalía es
dc.creator Masó, Nahum es
dc.creator West, Anthony R. es
dc.creator Criado Luque, José Manuel es
dc.creator Pérez Maqueda, Luis Allan es
dc.date.accessioned 2017-09-19T16:49:02Z
dc.date.available 2017-09-19T16:49:02Z
dc.date.issued 2015
dc.identifier.citation Perejón, A., Sánchez Jiménez, P.E., Poyato, R., Masó, N., West, A.R., Criado Luque, J.M. y Pérez Maqueda, L.A. (2015). Preparation of phase pure, dense fine grained ceramics by conventional and spark plasma sintering of La-substituted BiFeO3 nanoparticles. Journal of the European Ceramic Society, 36 (8), 2283-2293.
dc.identifier.issn 0955-2219 (impreso) es
dc.identifier.issn 1873-619X (electrónico) es
dc.identifier.uri http://hdl.handle.net/11441/64497
dc.description.abstract High density ceramics of the system Bi1−xLaxFeO3, 0 ≤ x ≤ 0.15, have been prepared starting from nanoparticles obtained by mechanosynthesis. The ceramics have been sintered conventionally at 850 °C and by spark plasma sintering (SPS). Sintering conditions have been optimized to obtain single phase ceramics, and the microstructure of the ceramics has been compared. Ceramics prepared conventionally present grain sizes from 5 μm to less than 1 μm, whereas grain sizes by SPS are in the range from 50 to 100 nm, which demonstrates that it is possible to obtain nanostructured ceramics of La-substituted BiFeO3 using mechanosynthesis followed by SPS at low temperature (625–650 °C). The as-prepared SPS ceramics show low resistivity, indicating some reduction in the samples. However, after an oxidative anneal in air, ceramics are highly insulating at room temperature and electrically homogeneous. The high quality of the ceramics has also been demonstrated by XRD, EDX, Raman and DSC. es
dc.description.sponsorship Ministerio de Economía y Competitividad CTQ2011-27626 es
dc.description.sponsorship Junta de Andalucía TEP-7858, TEP-1900 es
dc.format application/pdf es
dc.language.iso eng es
dc.publisher Elsevier es
dc.relation.ispartof Journal of the European Ceramic Society, 36 (8), 2283-2293.
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 Internacional *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/ *
dc.subject BiFeO3 es
dc.subject La-substituted bismuth ferrite es
dc.subject Mechanosynthesis es
dc.subject Sintering es
dc.subject Spark plasma sintering es
dc.title Preparation of phase pure, dense fine grained ceramics by conventional and spark plasma sintering of La-substituted BiFeO3 nanoparticles es
dc.type info:eu-repo/semantics/article es
dc.type.version info:eu-repo/semantics/acceptedVersion es
dc.rights.accessrights info:eu-repo/semantics/openAccess es
dc.relation.projectID info:eu-repo/grantAgreement/MINECO/CTQ2011-27626 es
dc.relation.projectID TEP-7858 es
dc.relation.projectID TEP-1900 es
dc.relation.publisherversion http://dx.doi.org/10.1016/j.jeurceramsoc.2015.01.030 es
dc.identifier.doi 10.1016/j.jeurceramsoc.2015.01.030 es
idus.format.extent 20 p. es
dc.journaltitle Journal of the European Ceramic Society es
dc.publication.volumen 36 es
dc.publication.issue 8 es
dc.publication.initialPage 2283 es
dc.publication.endPage 2293 es
dc.contributor.funder Ministerio de Economía y Competitividad (MINECO). España
dc.contributor.funder Junta de Andalucía
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