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dc.contributor.authorBarón González, Aura J.-
dc.contributor.authorGarcía Muñoz, Josep Lluís-
dc.contributor.authorHerrero Martín, Javier-
dc.contributor.authorFrontera, Carlos-
dc.contributor.authorSubías, G.-
dc.contributor.authorBlasco, Javier-
dc.date.accessioned2015-07-06T11:29:45Z-
dc.date.available2015-07-06T11:29:45Z-
dc.date.issued2013-
dc.identifierdoi: 10.3938/jkps.63.791-
dc.identifierissn: 0374-4884-
dc.identifiere-issn: 1976-8524-
dc.identifier.citationJournal of the Korean Physical Society 63(3): 791-794 (2013)-
dc.identifier.urihttp://hdl.handle.net/10261/117613-
dc.description.abstractPr0.5Ca0.5CoO3 exhibits a non-conventional metal-insulator transition (MIT) in which the insulating state is due toa volume contraction (∼2%) and electron transfer from Pr to Co sites. Pr1-xCaxCoO3cobaltites with Ca doping around x ∼ 0.5 (0.45 ≤ x ≤ 0.55) have been investigated. Different ground states and phase transitions are reported in samples at both sides of the half-doped composition. The relevance of the Pr/Ca ratio around half-doping and the amplitude of the changes observed at the MIT are analyzed. Besides the expected variation in the transition temperature, we report an enhanced Pr3+/Pr4+ transformation at the MIT in Pr0.45Y0.05Ca0.50CoO3[0.25(5) e-/Pr ion and T MI = 120 K] with respect to Pr0.5Ca0.5CoO3[0.15(5) e-/ Pr ion and T MI = 75 K]. © 2013 The Korean Physical Society.-
dc.description.sponsorshipWe thank financial support from MICINN (Spanish government) under projects No. MAT2009-09308 and No.CSD2007-00041 (NANOSELECT)and CRG-D1Band the ILL and HZB for granting beamtime. J.H.-M. thanks CSIC for JAEDoc contract, cofinanced by the European Social Fund.-
dc.publisherSpringer-
dc.relation.isversionofPostprint-
dc.rightsopenAccess-
dc.titleGround state and the metal-insulator transition in (Pr1-yYy)1-xCaxCoO3 (0.45 ≤ x ≤ 0.55) cobaltites-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.3938/jkps.63.791-
dc.relation.publisherversionhttp://dx.doi.org/10.3938/jkps.63.791-
dc.date.updated2015-07-06T11:29:45Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderEuropean Commission-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)-
dc.contributor.funderInstitut Laue-Langevin-
dc.contributor.funderHelmholtz-Zentrum Berlin for Materials and Energy-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100013110es_ES
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