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Thermal stability of Li(2)MnO(3): from localized defects to the spinel phase

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBOULINEAU, Adrien
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCROGUENNEC, Laurence
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDELMAS, Claude
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorWEILL, François
dc.date.issued2012
dc.identifier.issn1477-9226
dc.description.abstractEnThe thermal stability of Li(2)MnO(3) has been investigated by the means of coupled differential thermal analysis and thermogravimetric analysis associated with powder X ray diffraction. Various experiments performed in air and in argon allowed us to propose a mechanism of spinel-type defects formation in intergrowth with Li(2)MnO(3) when treated in air above 900 °C. The fidelity of the DIFFaX simulations performed led to the understanding of the influence of the existence of spinel type defects intergrowth on X ray and electron diffraction patterns. The formation of these defects occurs during cooling and is preceded by the formation of LiMnO(2) defects in heating. With sufficiently long thermal treatments, defects expand such that a spinel type phase can be observed after cooling.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.subject.enSpinel
dc.subject.enThermodynamics
dc.subject.enInorganic compounds
dc.subject.enDefects
dc.title.enThermal stability of Li(2)MnO(3): from localized defects to the spinel phase
dc.typeArticle de revue
dc.identifier.doi10.1039/c1dt11598g
dc.subject.halChimie/Matériaux
bordeaux.journalDalton Transactions
bordeaux.page1574-1581
bordeaux.volume41
bordeaux.issue5
bordeaux.peerReviewedoui
hal.identifierhal-00659759
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00659759v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Dalton%20Transactions&rft.date=2012&rft.volume=41&rft.issue=5&rft.spage=1574-1581&rft.epage=1574-1581&rft.eissn=1477-9226&rft.issn=1477-9226&rft.au=BOULINEAU,%20Adrien&CROGUENNEC,%20Laurence&DELMAS,%20Claude&WEILL,%20Fran%C3%A7ois&rft.genre=article


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