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Electron microscopy and structural studies of Nd1/3NbO3

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUDEAU, Sabine
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]
hal.structure.identifierCentre de Ressources en Microscopie Electronique et Microanalyse
dc.contributor.authorWEILL, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBASSAT, Jean-Marc.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGRENIER, Jean-Claude
dc.date.issued2008
dc.identifier.issn1631-0748
dc.description.abstractEnThe crystal structure of the deficient perovskite Nd1/3NbO3 has been determined at room temperature, using electron microscopy observations and X-ray powder diffraction data. Electron diffraction study and HRTEM images evidence the doubling of a and b parameters and confirm one of the c-parameter with respect to perovskite unit cell. The structure refinement has been carried out using the orthorhombic Cmmm space group. The Nd3+ cations occupy randomly and alternatively the (00l) planes and Nb5+ cations distorted octahedral sites. This structure is characterized by the presence of empty Nd3+ sites in every second layer and the tilting of the octahedral sites around the b-axis. In addition, electron diffraction patterns exhibit weak additional diffuse reflections, which supposes some ordering of the Nd vacancies.
dc.language.isoen
dc.publisherAcadémie des sciences (Paris)
dc.title.enElectron microscopy and structural studies of Nd1/3NbO3
dc.typeArticle de revue
dc.identifier.doi10.1016/j.crci.2007.10.002
dc.subject.halChimie/Matériaux
bordeaux.journalComptes Rendus. Chimie
bordeaux.page734-740
bordeaux.volume11
bordeaux.issue6-7
bordeaux.peerReviewedoui
hal.identifierhal-00301637
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00301637v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Comptes%20Rendus.%20Chimie&rft.date=2008&rft.volume=11&rft.issue=6-7&rft.spage=734-740&rft.epage=734-740&rft.eissn=1631-0748&rft.issn=1631-0748&rft.au=ROUDEAU,%20Sabine&PECHEV,%20Stanislav&WEILL,%20Fran%C3%A7ois&BASSAT,%20Jean-Marc.&GRENIER,%20Jean-Claude&rft.genre=article


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