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hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMARIK, Sourav
hal.structure.identifierDepartamento de Quimica Inorganica I
dc.contributor.authorMORÁN, Emilio
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLABRUGÈRE, Christine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorTOULEMONDE, Olivier
hal.structure.identifierDepartamento de Quimica Inorganica I
dc.contributor.authorALARIO-FRANCO, Miguel Ángel
dc.date.issued2013
dc.identifier.issn1557-1939
dc.description.abstractEnWe report the effect of oxygen-annealing in the superconductivity and electronic states for the Mo0.3Cu0.7Sr2YCu2O y compound. The influence of oxygen annealing in the electronic states for Mo0.3Cu0.7Sr2YCu2O y associated with a nonsuperconducting to superconducting state transformation has been investigated by means of X-ray photoelectron spectroscopy, powder X-ray diffraction, magnetic susceptibility, and resistivity measurements. We unambiguously show the preeminence of the MoV state over the MoVI one; annealing under an oxygen atmosphere enhances both the MoVI and CuII amounts. The enhancement of MoVI after oxygen annealing is in close relation with the decrease in the O 2p→Cu 3d charge-transfer energy resulting in superconducting properties. Oxygen annealing is then seemed to reduce the copper plane hole concentration of the overdoped as-prepared sample, which induces superconductivity in the Cu-O planes.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enSolid solution
dc.subject.enSuperconductivity
dc.subject.enCopper compounds
dc.title.enInfluence of oxygen annealing in the superconductivity and electronic states of Mo0.3Cu0.7Sr2YCu2Oy
dc.typeArticle de revue
dc.identifier.doi10.1007/s10948-012-1850-4
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Superconductivity and Novel Magnetism
bordeaux.page1151-1154
bordeaux.volume26
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-00811596
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00811596v1
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