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hal.structure.identifierLaboratoire de Chimie du Solide Mineral
dc.contributor.authorESSALIM, R.
hal.structure.identifierLaboratoire de Chimie du Solide Mineral
dc.contributor.authorAMMAR, Abdelaziz
hal.structure.identifierLaboratoire de Chimie du Solide Mineral
dc.contributor.authorTANOUTI, Boumédiène
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAUVY, Fabrice
dc.date.issued2016
dc.identifier.issn0022-4596
dc.description.abstractEnPartial substitution of copper with aluminum in Bi4V1.8Cu0.2O10.7 has led to the Bi4V1.8Cu0.2−xAlxO10.7+x/2 solid solution. X-ray diffraction and thermal analysis have shown that the compounds with x=0.05 and x=0.10 are tetragonal with γ′ form of Bi4V2O11, while the compound with x=0.15 is of β polymorph. The effect of Al3+ doping on electrical conductivity has been studied using Electrochemical Impedance Spectroscopy. The electrical conductivity of doped samples along with the amount of Al3+ has been studied by electrochemical impedance spectroscopy in the temperature range 250–700 °C. The slope changes observed in the Arrhenius plots agree with the microstructural transitions occurring in these compounds. The highest ionic conductivity values are obtained for the sample with x=0.05.
dc.language.isoen
dc.publisherElsevier
dc.subject.enBismuth vanadium oxide
dc.subject.enBIMEVOX materials
dc.subject.enIonic conductors
dc.title.enSynthesis, thermal and electrical properties of Al-doped Bi4V1.8Cu0.2O10.7
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jssc.2016.05.026
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Solid State Chemistry
bordeaux.page122-125
bordeaux.volume240
bordeaux.peerReviewedoui
hal.identifierhal-01357081
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01357081v1
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