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The first observation of hidden hysteresis in an iron(III) spin-crossover complex

hal.structure.identifierFunctional Materials and Nanotechnology Center of Excellence
dc.contributor.authorBOONPRAB, Theerapoom
hal.structure.identifierMacDiarmid Institute for Advanced Materials and Nanotechnology
dc.contributor.authorLEE, Seok
hal.structure.identifierMassey University
hal.structure.identifierMacDiarmid Institute for Advanced Materials and Nanotechnology
dc.contributor.authorTELFER, Shane
hal.structure.identifierSchool of Chemistry
dc.contributor.authorMURRAY, Keith
hal.structure.identifierSchool of Chemistry
dc.contributor.authorPHONSRI, Wasinee
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCHASTANET, Guillaume
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorCOLLET, Eric
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorTRZOP, Elzbieta
hal.structure.identifierSchool of Chemistry [Melbourne]
dc.contributor.authorJAMESON, Guy
hal.structure.identifierFunctional Materials and Nanotechnology Center of Excellence
dc.contributor.authorHARDING, Phimphaka
hal.structure.identifierFunctional Materials and Nanotechnology Center of Excellence
dc.contributor.authorHARDING, David
dc.date.issued2019-08-19
dc.identifier.issn1433-7851
dc.description.abstractEnMolecular magnetic switches are expected to form the functional components of future nanodevices. Herein we combine detailed (photo‐) crystallography and magnetic studies to reveal the unusual switching properties of an iron(III) complex, between low (LS) and high (HS) spin states. On cooling, it exhibits a partial thermal conversion associated with a reconstructive phase transition from a [HS‐HS] to a [LS‐HS] phase with a hysteresis of 25 K. Photoexcitation at low temperature allows access to a [LS‐LS] phase, never observed at thermal equilibrium. As well as reporting the first iron(III) spin crossover complex to exhibit reverse‐LIESST (light‐induced excited spin state trapping), we also reveal a hidden hysteresis of 30 K between the hidden [LS‐LS] and [HS‐LS] phases. Moreover, we demonstrate that FeIII spin‐crossover (SCO) complexes can be just as effective as FeII systems, and with the advantage of being air‐stable, they are ideally suited for use in molecular electronics.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.subject.enspin crossover
dc.subject.enphotomagnetism
dc.subject.enhidden hysteresis
dc.subject.eniron(III) complexes
dc.subject.enlight-induced thermal hysteresis
dc.title.enThe first observation of hidden hysteresis in an iron(III) spin-crossover complex
dc.typeArticle de revue
dc.identifier.doi10.1002/anie.201907619
dc.subject.halChimie/Chimie de coordination
dc.subject.halChimie/Chimie théorique et/ou physique
dc.subject.halPhysique [physics]
bordeaux.journalAngewandte Chemie International Edition
bordeaux.page11811-11815
bordeaux.volume58
bordeaux.issue34
bordeaux.peerReviewedoui
hal.identifierhal-02269052
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02269052v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Angewandte%20Chemie%20International%20Edition&rft.date=2019-08-19&rft.volume=58&rft.issue=34&rft.spage=11811-11815&rft.epage=11811-11815&rft.eissn=1433-7851&rft.issn=1433-7851&rft.au=BOONPRAB,%20Theerapoom&LEE,%20Seok&TELFER,%20Shane&MURRAY,%20Keith&PHONSRI,%20Wasinee&rft.genre=article


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