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Investigation of the photoinduced magnetization of copper octacyanomolybdates nanoparticles by X-ray magnetic circular dichroism

hal.structure.identifierInstitut de minéralogie et de physique des milieux condensés [IMPMC]
dc.contributor.authorBROSSARD, Sophie
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
dc.contributor.authorVOLATRON, Florence
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
dc.contributor.authorLISNARD, Laurent
hal.structure.identifierInstitut de minéralogie et de physique des milieux condensés [IMPMC]
dc.contributor.authorARRIO, Marie-Anne
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
dc.contributor.authorCATALA, Laure
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMATHONIÈRE, Corine
hal.structure.identifierInstitut de Chimie Moléculaire et des Matériaux d'Orsay [ICMMO]
dc.contributor.authorMALLAH, Talal
hal.structure.identifierInstitut Parisien de Chimie Moléculaire [IPCM]
dc.contributor.authorCARTIER DIT MOULIN, Christophe
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorROGALEV, Andrei
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorWILHELM, Fabrice
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorSMEKHOVA, Alevtina
hal.structure.identifierInstitut de minéralogie et de physique des milieux condensés [IMPMC]
dc.contributor.authorSAINCTAVIT, Philippe
dc.date.issued2012
dc.identifier.issn0002-7863
dc.description.abstractEnThrough an extensive set of SQUID magnetic measurements, X-ray absorption spectroscopy, and X-ray magnetic circular dichroism, we have determined the nature of the metastable photomagnetic phase in the cyano-bridged 3D network Cs(2)Cu(7)[Mo(CN)(8)](4). The photomagnetic effect is induced by the photoconversion of Mo(IV) ions in low spin (LS) configuration (S = 0) into Mo(IV) ions in high spin (HS) configuration (S = 1). The magnetic and spectroscopic measurements fully support the LS to HS conversion, whereas the previously invoked charge transfer mechanism Mo(IV) + Cu(II) ⇒ Mo(V) + Cu(I) can be completely ruled out.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enMetastable photomagnetic phase
dc.subject.enCopper
dc.subject.enChemical compounds
dc.subject.enSQUID
dc.subject.enX-ray absorption spectroscopy
dc.title.enInvestigation of the photoinduced magnetization of copper octacyanomolybdates nanoparticles by X-ray magnetic circular dichroism
dc.typeArticle de revue
dc.identifier.doi10.1021/ja204594a
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of the American Chemical Society
bordeaux.page222-228
bordeaux.volume134
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00661289
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00661289v1
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