Dynamical Properties of Spin-Crossover Solids

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dc.contributor.authorOgou, Saliou Bolarinwa
dc.contributor.authorOke, Djidjoho Toussaint
dc.contributor.authorHontinfinde, Félix
dc.contributor.authorBoukheddaden, Kamel
dc.date.accessioned2022-04-20T10:55:01Z
dc.date.available2022-04-20T10:55:01Z
dc.date.issued2019
dc.descriptionBecause of the needs for our companies in the field of the treatment and storage of information, transportation of artworks or other valuable objects, evaluation of the degree of alteration of materials after collisions,[1] the design of miniaturized devices with fast response is a major stake. Switchable molecular materials with thermodynamic bistability are one of the solutions to this requirement.en_US
dc.description.abstractSpin-crossover (SCO) and Prussian blue analogs (PBAs) materials are investigated in 2D with a three-state Blume–Emery–Griffiths (BEG) model where each spin interacts with its nearest neighbors (nn) and may be either in high-spin (HS) or low-spin (LS) state. The interactions through the system lattice are temperature-dependent to account for spin-phonon interactions. The system is also in contact with an oscillating magnetic field energy. The generated numerical results by the dynamic mean field theory (DMFT) study approach are consistent with those derived by kinetic Monte Carlo (KMC) simulations with Glauber dynamics and Arrhenius transition rates. First-order transitions with thermally induced hysteresis phenomena have been observed. Near the hysteresis loops, the model exhibits throughout relaxation curves, some fluctuations in the LS phase, strengthened by increasing temperature where this phenomenon becomes temperature- and magnetic field-dependent.en_US
dc.description.sponsorshipWorld Banken_US
dc.identifier.citationiou Bolarinwa Ogou, Djidjoho Toussaint Oke, Félix Hontinfinde, Kamel Boukheddaden. Dynamical Properties of Spin-Crossover Solids Within the Kinetic Spin-1 BEG Model in the Presence of a Time-Dependent Magnetic Field. Advanced Theory and Simulations, Wiley, 2019, 2 (5), pp.1800192.10.1002/adts.201800192. hal-03043796en_US
dc.identifier.issnhttps://doi.org/10.1002/adts.201800192
dc.identifier.urihttp://hdl.handle.net/123456789/1400
dc.language.isoen_USen_US
dc.publisherHALen_US
dc.relation.ispartofseriesHAL Id: hal-03043796;11
dc.subject2D-nucleationen_US
dc.subjectdynamic mean field approachen_US
dc.subjectkinetic Monte Carlo simulationsen_US
dc.subjectphase diagramen_US
dc.subjectrelaxation dynamicsen_US
dc.subjectspin-crossover compoundsen_US
dc.titleDynamical Properties of Spin-Crossover Solidsen_US
dc.typeArticleen_US
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