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Coexistence of ferroelectric and relaxor states in Ba2PrxNd1-xFeNb4O15

hal.structure.identifierFaculty of Physics [Vilnius]
dc.contributor.authorKINKA, Martynas
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJOSSE, Michaël
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCASTEL, Elias
hal.structure.identifierFaculty of Physics [Vilnius]
dc.contributor.authorBAGDZEVICIUS, Sarunas
hal.structure.identifierFaculty of Physics [Vilnius]
dc.contributor.authorSAMULIONIS, Vytautas
hal.structure.identifierFaculty of Physics [Vilnius]
dc.contributor.authorGRIGALAITIS, Robertas
hal.structure.identifierFaculty of Physics [Vilnius]
dc.contributor.authorBANYS, Juras
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
dc.date.issued2012
dc.identifier.issn0885-3010
dc.description.abstractEnWe have investigated the dielectric response of Ba2PrxNd1-xFeNb4O15 ceramics (x = 0, 0.2, 0.5, 0.6, 0.8, 1) in the frequency range from 20 Hz to 1 GHz. The obtained results confirmed the continuous transformation from the ferroelectric behavior of Ba2NdFeNb4O15 to the pure relaxor response of Ba2PrFeNb4O15 with increasing x. For intermediate x values, coexisting ferroelectric transition and relaxor dielectric signatures were observed, corresponding to two different phenomena in the framework of these materials. Increasing the amount of Pr decreases the ferroelectric phase transition temperatures in these ceramics; a large cooling??heating hysteresis exceeding 50K was also observed.
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers
dc.subject.enDielectric
dc.subject.enCeramics
dc.subject.enFerroelectricity
dc.title.enCoexistence of ferroelectric and relaxor states in Ba2PrxNd1-xFeNb4O15
dc.typeArticle de revue
dc.identifier.doi10.1109/TUFFC.2012.2400
dc.subject.halChimie/Matériaux
bordeaux.journalIEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
bordeaux.page1879-1882
bordeaux.volume59
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-00738085
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00738085v1
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