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hal.structure.identifierLaboratoire des Matériaux Ferroélectriques [LMF]
dc.contributor.authorCHAABANE, H.
hal.structure.identifierLaboratoire des Matériaux Ferroélectriques [LMF]
dc.contributor.authorABDELMOULA, Najmeddine
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.authorMICHAU, Dominique
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
dc.date.issued2011
dc.identifier.issn0031-8965
dc.description.abstractEnPerovskite types Ba<sub>1−<em>x</em></sub>La<sub><em>x</em></sub>Ti<sub>1−<em>x</em></sub>Fe<sub><em>x</em></sub>O<sub>3</sub> (with 0 ≤ <em>x</em> ≤ 0.15) ceramics have been prepared through a solid-state reaction route. The room-temperature X-ray diffraction study suggests that all the compositions have single phase. A broad dielectric anomaly coupled with the shift of dielectric maxima toward a higher temperature with increasing frequency indicates the relaxor-type behavior in some ceramics. The relaxor ceramics obtained obey the Vogel–Fulcher law. The partial replacement of Ba<sup>2+</sup> by La<sup>3+</sup> and Ti<sup>4+</sup> by Fe<sup>3+</sup> shows a remarkable decrease of <em>T</em><sub>C</sub>. The <em>P</em>–<em>E</em> hysteresis measurement proves the ferroelectric character of these compounds. The piezoelectric constant <em>d</em><sub>31</sub> of about 33.7 pC N<sup>−1</sup> was observed for Ba<sub>0.95</sub>La<sub>0.05</sub>Ti<sub>0.95</sub>Fe<sub>0.05</sub>O<sub>3</sub> ceramic.
dc.language.isoen
dc.publisherWiley
dc.typeArticle de revue
dc.identifier.doi10.1002/pssa.201026083
dc.subject.halChimie/Matériaux
bordeaux.journalphysica status solidi (a)
bordeaux.page180-185
bordeaux.volume208
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00565839
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00565839v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=physica%20status%20solidi%20(a)&amp;rft.date=2011&amp;rft.volume=208&amp;rft.issue=1&amp;rft.spage=180-185&amp;rft.epage=180-185&amp;rft.eissn=0031-8965&amp;rft.issn=0031-8965&amp;rft.au=CHAABANE,%20H.&amp;ABDELMOULA,%20Najmeddine&amp;KHEMAKHEM,%20Hamadi&amp;SIMON,%20Annie&amp;MICHAU,%20Dominique&amp;rft.genre=article


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