Unexpected dielectric response in lead zirconate titanate ceramics: The role of ferroelectric domain wall pinning effects

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. CEMAD - Caracterització Elèctrica de Materials i Dispositius
dc.contributor.author	García García, José Eduardo
dc.contributor.author	Gomis Arbonès, Vicente
dc.contributor.author	Pérez Pérez, Rafael
dc.contributor.author	Albareda Tiana, Alfonso
dc.contributor.author	Eiras, Jose A.
dc.date	2007-07
dc.identifier.citation	García, J. E., Gomis, V., Pérez, R., Albareda, A., Eiras, J. A. Unexpected dielectric response in lead zirconate titanate ceramics: The role of ferroelectric domain wall pinning effects. "Applied physics letters", Juliol 2007, vol. 91, núm. 4, p. 1-3.
dc.identifier.citation	0003-6951
dc.identifier.citation	10.1063/1.2759983
dc.identifier.uri	http://hdl.handle.net/2117/121199
dc.language.iso	eng
dc.relation	https://aip.scitation.org/doi/10.1063/1.2759983
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials ceràmics
dc.subject	Ferroelectricity
dc.subject	Electronic ceramics
dc.subject	Ceramics
dc.subject	Sintering
dc.subject	Ferroelectric materials
dc.subject	Transition metals
dc.subject	Materials synthesis and processing
dc.subject	Transition metal oxides
dc.subject	Dielectric properties
dc.subject	Crystal structure
dc.subject	Phase transitions
dc.subject	Crystallographic defects
dc.subject	Ferroelectricitat
dc.subject	Ceràmiques electròniques
dc.title	Unexpected dielectric response in lead zirconate titanate ceramics: The role of ferroelectric domain wall pinning effects
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Temperature dependent dielectric response has been measured in Pb(Zr1-xTix)O-3 ceramics. Samples of different compositions (x=0.40, 0.47, and 0.60), pure and doped with Nb-or Fe, were studied at temperatures between 15 and 700 K and in the frequency range from 100 Hz to 1 MHz. Unexpected dielectric behavior has been found around room temperature. Anomalous temperature dependent permittivity is observed in pure and Fe-doped samples but not in Nb-doped samples. The anomaly appears related to the presence of oxygen vacancies but not on the sample crystallographic phase. The authors suggest that the anomaly may be a manifestation of the domain wall pinning effect. (C) 2007 American Institute of Physics.
dc.description.abstract	Peer Reviewed

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