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Cooperative elastic switching vs laser heating in [Fe(phen)2(NCS)2] spin-crossover crystals excited by a laser pulse

hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorBERTONI, R
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorLORENC, Maciej
hal.structure.identifierCenter for Advanced Radiation Sources [University of Chicago] [CARS]
dc.contributor.authorGRABER, T
hal.structure.identifierCenter for Advanced Radiation Sources [University of Chicago] [CARS]
dc.contributor.authorHENNING, R
hal.structure.identifierCenter for Advanced Radiation Sources [University of Chicago] [CARS]
dc.contributor.authorMOFFAT, K
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLÉTARD, Jean-François
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorCOLLET, Eric
dc.date.issued2016
dc.description.abstractEnSpin-crossover crystals show multi-step responses to femtosecond light excitation. The local molecular photo-switching from low to high spin states occurs on sub-picosecond timescale. It is followed by additional conversion due to elastic (ns) and thermal (µs) effects. In [Fe(phen)2(NCS)2] crystals discussed herein, the thermal switching can be made unobtrusive for the investigation of cooperative elastic switching. We evidence a cooperative transformation induced by lattice expansion through elastic coupling between molecules in the crystal, where up to 3 molecules are transformed per photon.
dc.description.sponsorshipEtude femtoseconde rayons X et optique de la dynamique ultrarapide de photocommutation de matériaux moléculaires magnétiques - ANR-13-BS04-0002
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enCooperative elastic switching vs laser heating in [Fe(phen)2(NCS)2] spin-crossover crystals excited by a laser pulse
dc.typeArticle de revue
dc.identifier.doi10.1039/C6CE00659K
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
bordeaux.journalCrystEngComm
bordeaux.page7269-7275
bordeaux.volume18
bordeaux.issue38
bordeaux.peerReviewedoui
hal.identifierhal-01309441
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01309441v1
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