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Electron paramagnetic resonance and LIESST effect in spin-crossover cis-bis(thiocyanato)bis[N-(2-pyridyl-methylene)aminobiphenyl]iron(II) compound

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.authorDAUBRIC, H.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorCANTIN, C.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorKLIAVA, J.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBOUHEDJA, Yacine
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.authorKAHN, Olivier
dc.date.issued1998
dc.date.conference1998-09-12
dc.description.abstractEnTwo different phases of spin-crossover cis-bis(thiocyanato)-bis(N-2′-pyridylmethylene)-4-(aminobiphenyl) iron(II), Fe(PM-BiA)2(NCS)2 have been investigated by EPR in X- and Q-bands. The EPR parameters for Mn2± show that the phase II has similar behavior to intentionally doped compound. EPR spectra as function of the temperature reveal that the spin transition of the iron(II) centers induced some modifications on the whole structure and then on the environment of the manganese ions. The LIESST effect is reported for the two phases and for Fe0.216Mn0.784(PM-BiA)2(NCS)2. The magnetic properties under irradiation of the phase II and of Fe0.216Mn0.784(PM-BiA)2(NCS)2 are very similar and the limit temperature of the HS metastable state is around Tliesst = 50 K, as compared to 80 K for the phase I. The new kind of bistability called LITH (Light Induced Thermal Hysteresis) has been observed for the three derivatives. The HS → LS relaxation is higher for the phase II and Fe0.216Mn0.784(PM-BiA)2(NCS)2 than for the Phase I.
dc.language.isoen
dc.publisherGordon Breach Sci Publ Ltd
dc.source.titleMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
dc.title.enElectron paramagnetic resonance and LIESST effect in spin-crossover cis-bis(thiocyanato)bis[N-(2-pyridyl-methylene)aminobiphenyl]iron(II) compound
dc.typeCommunication dans un congrès
dc.identifier.doi10.1080/10587259908028891
dc.subject.halPhysique [physics]
bordeaux.page1207-1221
bordeaux.countryFR
bordeaux.title.proceedingMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
bordeaux.conference.citySeignosse
bordeaux.peerReviewednon
hal.identifierhal-01550228
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end1998-09-17
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01550228v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=Molecular%20Crystals%20and%20Liquid%20Crystals%20Science%20and%20Technology.%20Section%20A.%20Molecular%20Crystals%20and%20Liquid%20Crystals&rft.date=1998&rft.spage=1207-1221&rft.epage=1207-1221&rft.au=LETARD,%20Jean-Fran%C3%A7ois&DAUBRIC,%20H.&CANTIN,%20C.&KLIAVA,%20J.&BOUHEDJA,%20Yacine&rft.genre=unknown


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