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hal.structure.identifierLaboratoire de Cristallographie
dc.contributor.authorLORENZO, J. E.
hal.structure.identifierLaboratoire de Cristallographie
dc.contributor.authorHODEAU, Jean-Louis
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorPAOLASINI, L.
hal.structure.identifierLaboratoire de Physique de la Matière Condensée et Nanostructures [LPMCN]
dc.contributor.authorLEFLOCH, S.
hal.structure.identifierInstituto de Ciencia de Materiales de Madrid [ICMM]
dc.contributor.authorALONSO, J. A.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDEMAZEAU, Gérard
dc.date.issued2005
dc.identifier.issn1098-0121
dc.description.abstractEnWe have carried out resonant x-ray scattering experiments on NdNiO3 single crystals aiming at the observation of a predicted orbital ordering that may explain the presence of an antiferromagnetic ordering with unusual modulation wave vector, q=(12,0,12). A first-order structural phase transition has been observed at TMI=200K although no new superlattice peaks are present at this q position. Our experiment thus rules out the presence of an orbital ordering with this modulation. It rather seems that the magnetic, as well as the electronic, properties of this compound should be explained by introducing models of charge localization, either at the metal sites or at the ligand oxygen. We further comment on the observability of this charge ordering by resonant x-ray scattering.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.subject.enCharge density
dc.subject.enWave systems
dc.subject.enX-ray scattering
dc.subject.enMetal insulator transitions
dc.title.enResonant x-ray scattering experiments on electronic orderings in NdNiO3 single crystals
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.71.045128
dc.subject.halChimie/Matériaux
bordeaux.journalPhysical Review B: Condensed Matter and Materials Physics (1998-2015)
bordeaux.page045128 (7 p.)
bordeaux.volume71 (4)
bordeaux.peerReviewedoui
hal.identifierhal-00018778
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00018778v1
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