J
Jean-François Létard
Researcher at University of Bordeaux
Publications - 181
Citations - 8380
Jean-François Létard is an academic researcher from University of Bordeaux. The author has contributed to research in topics: Spin crossover & LIESST. The author has an hindex of 47, co-authored 174 publications receiving 7809 citations. Previous affiliations of Jean-François Létard include University of Valencia & Ludwig Maximilian University of Munich.
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When T(LIESST) Meets Thermal Hysteresis – a Theoretical Approach
TL;DR: In this article, the authors used a macroscopic master equation for a two-level system, with simple assumptions, to calculate the kinetic behavior of a spin-crossover system when the equilibrium temperature interplays with the T(LIESST) temperature, that is, the thermal return temperature of the low-temperature metastable state of the system.
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Spray-Drying to Get Spin-Crossover Materials
Nathalie Daro,Lucie Moulet,Nicolas Penin,Nicolas Paradis,Jean-François Létard,Eric Lebraud,Sonia Buffière,Guillaume Chastanet,Philippe Guionneau +8 more
TL;DR: The potentiality of the spray-drying (SD) method to get Spin-crossover triazole-based coordination polymers and a mononuclear complex is explored and a systematic scrutiny of all the experimental parameters to tune the size, morphology, and properties of the SD-synthesized SCO particles is opened.
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Structural, magnetic and photomagnetic study of the [Fe(PM-NEA)2(NCS)2] spin crossover complex
Jean-François Létard,Matthias Kollmansberger,Chiara Carbonera,Mathieu Marchivie,Philippe Guionneau +4 more
TL;DR: In this paper, a spin-crossover compound [Fe(PM-NEA) 2 (NCS) 2 ] with N -(2-pyridylmethylene)-4-(naphthalene-1-ethynyl)aniline has been synthesized.
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Time-domain terahertz spectroscopy of spin state transition in [Fe(NH2 − trz)3]2+ spin crossover compounds
Benjamin Viquerat,Jérôme Degert,Marc Tondusson,Eric Freysz,Cindy Mauriac,Jean-François Létard +5 more
TL;DR: In this article, the authors measured the evolution of the THz spectrum of iron spin crossover compounds within the low-spin/high-spin thermal hysteresis loop in the 0.6-6 THz frequency range.
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Photo-crystallography: from the structure towards the electron density of metastable states
V. Legrand,Chiara Carbonera,Sébastien Pillet,Mohamed Souhassou,Jean-François Létard,Philippe Guionneau,Claude Lecomte +6 more
TL;DR: A photo-crystallographic study of Fe(btr)2(NCS)2H2O was performed in order to describe the modification of structures and charge densities on going from the ground low spin (LS) state to the metastable high spin (HS) state during the LIESST phenomenon at 15 K as mentioned in this paper.