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Crystal growth and characterization of tetragonal tungsten bronze FerroNiobates Ba2LnFeNb4O15

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCASTEL, Elias
hal.structure.identifierCentre National de la Recherche Scientifique [CNRS]
hal.structure.identifierUniversitatea de Vest din Timișoara [România] = West University of Timișoara [Romania] = Université Ouest de Timișoara [Roumanie] [UVT]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVEBER, Philippe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorALBINO, Marjorie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVELÁZQUEZ, Matias
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPECHEV, Stanislav
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDENUX, Dominique
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCHAMINADE, Jean-Pierre
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorJOSSE, Michaël
dc.date.issued2012
dc.identifier.issn0022-0248
dc.description.abstractEnTetragonal Tungsten Bronze Ferroelectrics (TTB) are currently revisited for the elaboration of new multifunctional materials. Recent studies on Ba2LnFeNb4O15 ceramics (Ln=Nd, Sm and Eu) demonstrated that these materials display both ferroelectric and ferromagnetic behaviors at room temperature due to the presence of barium hexaferrite as a secondary phase. In this paper, we report for the first time the growth of Ba2LnFeNb4O15 single crystals (Ln=La, Pr, Nd, Sm and Eu) from high temperature solution using LiBO2 flux. Inclusion free millimeter-sized single crystals were successfully grown. Structural and dielectric characterizations were performed and chemical analysis confirmed that the TTB matrix is reluctant to accommodate small rare earth as it was observed for ceramics. A paramagnetic behavior was observed for all compositions, which corroborates the composite nature of the TTB ceramic multiferroics at room temperature, while dielectric measurements on Ln=La and Pr crystals confirmed their relaxor behavior.
dc.language.isoen
dc.publisherElsevier
dc.subject.enCrystal structure
dc.subject.enGrowth from high temperature solutions
dc.subject.enTungsten bronzes
dc.subject.enCrystal structure
dc.title.enCrystal growth and characterization of tetragonal tungsten bronze FerroNiobates Ba2LnFeNb4O15
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jcrysgro.2011.11.082
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Crystal Growth
bordeaux.page156-165
bordeaux.volume340
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00664962
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00664962v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Crystal%20Growth&rft.date=2012&rft.volume=340&rft.issue=1&rft.spage=156-165&rft.epage=156-165&rft.eissn=0022-0248&rft.issn=0022-0248&rft.au=CASTEL,%20Elias&VEBER,%20Philippe&ALBINO,%20Marjorie&VEL%C3%81ZQUEZ,%20Matias&PECHEV,%20Stanislav&rft.genre=article


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