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hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierInsitut für Anorganische und Analytische Chemie
dc.contributor.authorGARCIA, Yann
hal.structure.identifierLaboratoire d'Utilisation du Rayonnement Electromagnétiques
hal.structure.identifierPhysique des Milieux Denses
dc.contributor.authorMOSCOVICI, Jacques
hal.structure.identifierLaboratoire d'Utilisation du Rayonnement Electromagnétiques
hal.structure.identifierPhysique des Milieux Denses
dc.contributor.authorMICHALOWICZ, Alain
hal.structure.identifierInsitut für Anorganische und Analytische Chemie
dc.contributor.authorKSENOFONTOV, Vadim
hal.structure.identifierInsitut für Anorganische und Analytische Chemie
dc.contributor.authorLEVCHENKO, Georg
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBRAVIC, Georges
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCHASSEAU, Daniel
hal.structure.identifierInsitut für Anorganische und Analytische Chemie
dc.contributor.authorGÜTLICH, Philipp
dc.date.issued2002
dc.identifier.issn0947-6539
dc.description.abstractEn[Fe(hyptrz)3](4-chloro-3-nitrophenylsulfonate)22 H2O (1; hyptrz=4-(3-hydroxypropyl)-1,2,4-triazole) has been synthesized and its physical properties have been investigated by several physical techniques including magnetic susceptibility measurements, calorimetry, and Mössbauer, optical, and EXAFS spectroscopy. Compound 1 exhibits a spin transition below room temperature, together with a very wide thermal hysteresis of about 50 K. This represents the widest hysteresis loop ever observed for an FeII-1,2,4-triazole spin transition material. The cooperativity is discussed on the basis of temperature-dependent EXAFS studies and of the structural features of a CuII analogue. The EXAFS structural model of (1) in both spin states is compared to that obtained for a related material whose spin transition occurs above room temperature. EXAFS spectroscopy suggests that 1,2,4-triazole chain compounds retain a linear character whatever the spin state of the iron(II).
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.subject.enEXAFS spectroscopy
dc.subject.enIron
dc.subject.enSpin crossover
dc.subject.en4-triazole
dc.subject.enChain structures
dc.title.enA spin transition molecular material with a wide bistability domain.
dc.typeArticle de revue
dc.identifier.doi10.1002/1521-3765(20021104)8:21<4992::AID-CHEM4992>3.0.CO;2-8
dc.subject.halChimie/Matériaux
bordeaux.journalChemistry - A European Journal
bordeaux.page4992-5000
bordeaux.volume8
bordeaux.issue21
bordeaux.peerReviewedoui
hal.identifierhal-00738238
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00738238v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Chemistry%20-%20A%20European%20Journal&amp;rft.date=2002&amp;rft.volume=8&amp;rft.issue=21&amp;rft.spage=4992-5000&amp;rft.epage=4992-5000&amp;rft.eissn=0947-6539&amp;rft.issn=0947-6539&amp;rft.au=GARCIA,%20Yann&amp;MOSCOVICI,%20Jacques&amp;MICHALOWICZ,%20Alain&amp;KSENOFONTOV,%20Vadim&amp;LEVCHENKO,%20Georg&amp;rft.genre=article


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