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Intermolecular control of thermoswitching and photoswitching phenomena in two spin-crossover polymorphs

hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorBURON-LE COINTE, Marylise
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorHEBERT, Johan
hal.structure.identifierInstitut de Physique de Rennes [IPR]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBALDÉ, Cherif
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorMOISAN, Nicolas
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorTOUPET, Loïc
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUIONNEAU, Philippe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLETARD, Jean-François
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorFREYSZ, Eric
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorCAILLEAU, Hervé
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorCOLLET, Eric
dc.date.created2011-11-07
dc.date.issued2012-02-01
dc.identifier.issn1098-0121
dc.description.abstractEnWe discuss here the important role of inter-molecular coupling for the thermal and lightinduced molecular state switching in the solid state. Investigations were performed on the two crystalline polymorphs of the spin crossover [Fe(PM BiA)2(NCS)2] material. In addition to structural studies at thermal equilibrium, light-induced phenomena were investigated through photo-crystallography, photo-magnetic and dynamical optical measurements. Strong similarities between the thermal-equilibrium and the out-ofequilibrium light-induced transformations are observed in each polymorph: strong cooperative phenomena in one polymorph versus weak cooperative ones in the second polymorph. These different responses of the two crystalline forms of the compound to external perturbations are discussed at the microscopic level in terms of Ising-like model and two-mode description of on-site molecular potentials.
dc.description.sponsorship/ - ANR-09-BLAN-0212
dc.language.isoen
dc.publisherAmerican Physical Society
dc.subject.enMolecular state
dc.subject.enSolid state
dc.subject.enSpin crossover
dc.subject.enCrystallographic aspects of phase transformations
dc.subject.enpressure effects
dc.subject.enNonequilibrium and irreversible thermodynamics
dc.subject.enRelaxation effects
dc.subject.enSwitching phenomena
dc.title.enIntermolecular control of thermoswitching and photoswitching phenomena in two spin-crossover polymorphs
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.85.064114
dc.subject.halChimie/Matériaux
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
bordeaux.journalPhysical Review B: Condensed Matter and Materials Physics (1998-2015)
bordeaux.page064114 (9 p.)
bordeaux.volume85
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-00673256
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00673256v1
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