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hal.structure.identifierLaboratoire des Matériaux Ferroélectriques [LMF]
dc.contributor.authorABDELKEFI, Helmi
hal.structure.identifierLaboratoire des Matériaux Ferroélectriques [LMF]
dc.contributor.authorKHEMAKHEM, Hamadi
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSIMON, Annie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
dc.date.issued2007
dc.identifier.issn0021-8979
dc.description.abstractEnThe ferroelectric, piezoelectric, and pyroelectric properties of Ba1−xNaxTi1−xNbxO3 with x=0.70 (BTNN0.70) lead-free ceramic were investigated. Polycrystalline sample with composition BTNN0.70 was prepared by using conventional dry ceramic technique. Sample was sintered at 1250 °C for 3 h under oxygen showed perovskite structure with high densities 4.92 g/cm3 (~96% as relative density). X-ray analysis confirmed the formation of single-phase compound with cubic crystal structure. Dielectric properties were studied in detail as a function of frequency and temperature. From temperature variation of dielectric constant, Curie temperature (TC) was determined. Discussion on hysteresis behavior for the sample at room temperature is presented. An essential relation between the piezoelectric properties and the ferroelectric nature of the ceramics was detected. The piezoelectric and pyroelectric coefficients of the ceramic were studied as a function of temperature.
dc.language.isoen
dc.publisherAmerican Institute of Physics
dc.subject.enBarium compounds
dc.subject.enCrystal structure
dc.subject.enDielectric hysteresis
dc.subject.enFerroelectric ceramics
dc.subject.enFerroelectric Curie temperature
dc.subject.enFerroelectricity
dc.subject.enPermittivity
dc.subject.enPiezoceramics
dc.subject.enPiezoelectricity
dc.subject.enPyroelectricity
dc.subject.enSintering
dc.subject.enSodium compounds
dc.subject.enTitanium compounds
dc.subject.enX-ray diffraction
dc.typeArticle de revue
dc.identifier.doi10.1063/1.2818146
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Applied Physics
bordeaux.page114106
bordeaux.volume102
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-00287803
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00287803v1
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