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hal.structure.identifierIRCER - Axe 3 : organisation structurale multiéchelle des matériaux [IRCER-AXE3]
dc.contributor.authorLELIEVRE, Jerome
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJOSSE, Michaël
hal.structure.identifierAxe 3 : organisation structurale multiéchelle des matériaux
dc.contributor.authorMARCHET, Pascal
dc.date.issued2019-03
dc.identifier.issn1359-6462
dc.description.abstractEnThe structure of NBZ was studied by neutron diffraction. NBZ is monoclinic, (SG #11 P21/m) am = 5.696(8) Å, bm = 8.166(9) Å, cm = 5.790(4) Å and βm = 89.97(4)°. Being centrosymmetric, NBZ is neither piezoelectric nor ferroelectric. No phase transition was evidenced between 100 K and 923 K. NBZ presents a relaxor behavior below room temperature attributed to the mixed occupancy of the A-site by both Na + and Bi 3+ ions. The relative permittivity of NBZ appears noticeably stable (for 1 kHz-2.9% at-55 °C / 218K and +5.3% at 85 °C / 358 K compared to the 25 °C / 298 K value). NBZ appears thus as promising for the elaboration of capacitors requiring high thermal stability
dc.language.isoen
dc.publisherElsevier
dc.subject.enLead-free perovskite
dc.subject.enNeutron diffraction
dc.subject.enCrystal structure
dc.subject.enDielectric Relaxor
dc.title.enStructure and properties of (Na0.5Bi0.5)ZrO3 (NBZ) lead-free perovskite compound
dc.typeArticle de revue
dc.identifier.doi10.1016/j.scriptamat.2018.10.003
dc.subject.halChimie/Matériaux
bordeaux.journalScripta Materialia
bordeaux.page13-17
bordeaux.volume161
bordeaux.peerReviewedoui
hal.identifierhal-01895309
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01895309v1
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