Structure,microstructureandionicconductivityofthesolidsolution LiTi2 xSnx(PO4)3

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dc.date.accessioned2023-04-25T10:32:23Z
dc.date.available2023-04-25T10:32:23Z
dc.date.issued2011
dc.description.abstractThe NasiconcompoundswiththecompositionLiTi2 xSnx(PO4)3 (x¼0–1.8) weresynthesisedbythe solid statereaction.TheirstructuresweredeterminedfromX-raypowderdiffractionusingRietveld analysis.AllthecompositionspresentthespacegroupR-3c.TherefinementsshowthattheTiandSn cations arestatisticallydistributedoverthesamepositionwhiletheLionesareexclusivelylocatedon the M1site.Thelatticeconstants a and c exhibit linearvariationoverthewholecompositionrange.The bond lengthsareinaccordancewiththoseofotherNasiconstructures.TheSEMmicrographsofthe samplesshowrelativeporousmicrostructures.Theionicconductivityisabout10 4–10 5 S cm 1; for the activationenergy,atypicalvalueof0.32eVisobtainedfor x¼0.6 compositionwhereassignificant deviationfromlinearityinthetemperaturedependenceofthedcconductivity,isobservedfortheSn- rich ones.Thistendencyisdiscussedalongwiththestructuralfeaturesen_US
dc.identifier.citationElsevieren_US
dc.identifier.urihttp://172.16.99.83:4000/handle/123456789/14607
dc.language.isoenen_US
dc.publisherUniversité akli mohand oulhadj Bouiraen_US
dc.subjectImpedance spectroscopy, X-ray diffraction , Crystal structure ,Ionic conductivity , Microstructureen_US
dc.titleStructure,microstructureandionicconductivityofthesolidsolution LiTi2 xSnx(PO4)3en_US
dc.typeArticleen_US

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