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Complete temperature study of the relaxation from HS to LS state in the mixed [Fe_xZn_{1-x}(Phen)_2(NCS)_2] systems (with x = 1, 0.73, 0.5, 0.32, 0.19 and 0.04)

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBALDE, Cherif
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDESPLANCHES, Cédric
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorNGUYEN, Olivier
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLETARD, Jean-François
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorFREYSZ, Eric
dc.date.created2009-01-27
dc.date.issued2009-03-26
dc.date.conference2008-11-11
dc.identifier.issn1742-6596
dc.description.abstractEnThe thermal and light-induced spin transitions in [FexZn1 x(Phen)2(NCS)2] (Phen = 1,10-phenantholine) have been investigated by magnetic susceptibility, photomagnetism and diffuse reflectivity measurements. These complexes display a thermal spin transition and undergo the light-induced excited spin state trapping (LIESST) effect at low temperatures. For each compound, the thermal spin transition temperature, T1/2, and the relaxation temperature of the photo-induced high-spin state, T(LIESST), have been systematically determined. It appears that T1/2 decreases with the metal dilution while T(LIESST) remains unchanged. This behaviour is discussed on the basis of the kinetic study performed by combining the use of SQUID magnetometer, up to the T(LIESST) value, and the dynamic diffuse reflectivity setup, from the T(LIESST) temperature up to the thermal spin transition.
dc.description.sponsorshipTransitions de phase photo-induites : vers la commutation ultra-rapide de matériaux moléculaires - ANR-05-BLAN-0045
dc.language.isoen
dc.publisherIOP Science
dc.source.titleJournal of Physics: Conference Series
dc.title.enComplete temperature study of the relaxation from HS to LS state in the mixed [Fe_xZn_{1-x}(Phen)_2(NCS)_2] systems (with x = 1, 0.73, 0.5, 0.32, 0.19 and 0.04)
dc.typeCommunication dans un congrès
dc.identifier.doi10.1088/1742-6596/148/1/012026
bordeaux.journalJournal of Physics: Conference Series
bordeaux.page012026 (1-9)
bordeaux.volume148
bordeaux.issue1
bordeaux.countryJP
bordeaux.title.proceedingJournal of Physics: Conference Series
bordeaux.conference.cityOsaka
bordeaux.peerReviewedoui
hal.identifierhal-00505878
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2008-11-15
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00505878v1
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