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hal.structure.identifierInstitut de Cristallographie
dc.contributor.authorZÚÑIGA, Francisco Javier
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDARRIET, Jacques
dc.date.issued2003
dc.identifier.issn0108-2701
dc.description.abstractEnSodium tetracalcium pentaniobium heptadecaoxide, NaCa4Nb5O17, corresponds to the n = 5 term of the homologous AnBnO3n+2 family of structures composed of ABX3 perovskite layers. The structure consists of perovskite-type blocks of n = 5 layers of NbO6 octahedra, separated by an interblock region. Successive blocks along the b axis are displaced by {1 \over 2}c with respect to each other. The deformation of the NbO6 octahedra is a minimum at the middle of each block, and increases along the direction of the b axis to a maximum at each end of the block. Ca and Na share the same intrablock sites, coordinated by 12 O atoms, whereas only Ca atoms are found in the interblock cavities, at sites with different coordination geometries.
dc.language.isoen
dc.publisherInternational Union of Crystallography
dc.subject.enNaCa4Nb5O17
dc.subject.enCrystal structure
dc.subject.enCrystallography
dc.title.enNaCa4Nb5O17: a layered perovskite AnBnO3n+2 compound
dc.typeArticle de revue
dc.identifier.doi10.1107/S0108270102022746
dc.subject.halChimie/Matériaux
bordeaux.journalActa Crystallographica Section C : Crystal Structure Communications [1968-2013]
bordeaux.pagei18-i20
bordeaux.volume59
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00214283
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00214283v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Acta%20Crystallographica%20Section%20C%20:%20Crystal%20Structure%20Communications%20%5B1968-2013%5D&rft.date=2003&rft.volume=59&rft.issue=2&rft.spage=i18-i20&rft.epage=i18-i20&rft.eissn=0108-2701&rft.issn=0108-2701&rft.au=Z%C3%9A%C3%91IGA,%20Francisco%20Javier&DARRIET,%20Jacques&rft.genre=article


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