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First experimental evidence of potassium ordering in layered K4Co7O14

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBLANGERO, Maxime
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDECOURT, Rodolphe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARLIER-LARREGARAY, Dany
hal.structure.identifierDepartment of Materials Science and Engineering
dc.contributor.authorCEDER, Gerbrand
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPOLLET, Michaël
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDOUMERC, Jean-Pierre
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDARRIET, Jacques
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDELMAS, Claude
dc.date.issued2005
dc.identifier.issn0020-1669
dc.description.abstractEnThe layered P2-K4Co7O14 oxide has been prepared and characterized by means of X-ray diffraction, electrical conductivity, thermopower, and magnetic measurements. The crystal structure of K4Co7O14 (P63/m space group, Z = 2, a = 7.5171(1) Å, and c = 12.371(1) Å) consists of a stacking of slabs of edge-shared CoO6 octahedra with K+ ions occupying ordered positions in the interslab space, leading to a a0V7×a0V7 supercell. Potential energy calculations at 0 K are ivn good agreement with the ordered distribution of potassium ions in the (ab) plane. This oxide is metallic, and the magnetic susceptibility is of Pauli-type, which contrasts with the Curie-Weiss behavior of the homologous NaxCoO2 (x~0.6) oxide with close alkali content...
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enThermoelectric power
dc.subject.enNaxCoO2
dc.subject.enBronzes
dc.subject.enNaCo2O4
dc.subject.enSodium
dc.title.enFirst experimental evidence of potassium ordering in layered K4Co7O14
dc.typeArticle de revue
dc.identifier.doi10.1021/ic0514804
dc.subject.halChimie/Matériaux
bordeaux.journalInorganic Chemistry
bordeaux.page9299-9304
bordeaux.volume44
bordeaux.issue25
bordeaux.peerReviewedoui
hal.identifierhal-00019053
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00019053v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Inorganic%20Chemistry&rft.date=2005&rft.volume=44&rft.issue=25&rft.spage=9299-9304&rft.epage=9299-9304&rft.eissn=0020-1669&rft.issn=0020-1669&rft.au=BLANGERO,%20Maxime&DECOURT,%20Rodolphe&CARLIER-LARREGARAY,%20Dany&CEDER,%20Gerbrand&POLLET,%20Micha%C3%ABl&rft.genre=article


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