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Resonance raman study of spin-crossover [Fe(Htrz)2(trz)](BF4)*H2O particles coated with gold

hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorTOBON, Yeny A.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorETRILLARD, Céline
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.authorLÉTARD, Jean-François
hal.structure.identifierInstitut de Physique et Chimie des Matériaux de Strasbourg [IPCMS]
dc.contributor.authorFARAMARZI, Vina
hal.structure.identifierInstitut de Physique et Chimie des Matériaux de Strasbourg [IPCMS]
dc.contributor.authorDAYEN, Jean-François
hal.structure.identifierInstitut de Physique et Chimie des Matériaux de Strasbourg [IPCMS]
dc.contributor.authorDOUDIN, Bernard
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorBASSANI, Dario M.
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorGUILLAUME, François
dc.date.issued2012
dc.identifier.issn1434-1948
dc.description.abstractEnSpin-crossover (SCO) particles of the [Fe(Htrz)2(trz)](BF4)*H2O polymeric complex were deposited on a glass slide and coated with gold. We found that normal Raman scattering is not appropriate for analysing such a material. However, the spin transition and the thermal hysteresis of the coated particles were successfully monitored by means of Raman spectroscopy using the 325 nm excitation line that is in pre-resonance with the Metal to Ligand Charge Transfer (MLCT) electronic absorption band of the low-spin state. The results obtained confirm the persistence of the spin-crossover properties of the gold coated particles. The strong enhancement of the Raman scattering using the 325 nm excitation opens interesting opportunities for monitoring the SCO of particles integrated in miniaturised devices.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.subject.enRaman spectroscopy
dc.subject.enSpin crossover
dc.subject.enCoordination polymers
dc.subject.enMagnetic properties
dc.subject.enGold
dc.title.enResonance raman study of spin-crossover [Fe(Htrz)2(trz)](BF4)*H2O particles coated with gold
dc.typeArticle de revue
dc.identifier.doi10.1002/ejic.201200562
dc.subject.halChimie/Matériaux
bordeaux.journalEuropean Journal of Inorganic Chemistry
bordeaux.page5837-5842
bordeaux.issue35
bordeaux.peerReviewedoui
hal.identifierhal-00788823
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00788823v1
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