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Successive Dynamical Steps of Photoinduced Switching of a Molecular Fe(III) Spin-Crossover Material by Time-Resolved X-Ray Diffraction

Abstract : We investigate the out-of-equilibrium switching dynamics of a molecular Fe(III) spin-crossover solid triggered by a femtosecond laser flash. The time-resolved x-ray diffraction and optical results show that the dynamics span from subpicosecond local photoswitching followed by volume expansion (nanosecond) and thermal switching (microsecond). We present a physical picture of the consecutive steps in the photoswitching of molecular materials.
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https://hal.archives-ouvertes.fr/hal-00665788
Contributor : Dorothée Destouches <>
Submitted on : Thursday, February 2, 2012 - 4:54:28 PM
Last modification on : Friday, July 9, 2021 - 1:06:02 PM

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Maciej Lorenc, Johan Hébert, Nicolas Moisan, Elzbieta Trzop, Marina Servol, et al.. Successive Dynamical Steps of Photoinduced Switching of a Molecular Fe(III) Spin-Crossover Material by Time-Resolved X-Ray Diffraction. Physical Review Letters, American Physical Society, 2009, 103 (2), pp.28301. ⟨10.1103/PHYSREVLETT.103.028301⟩. ⟨hal-00665788⟩

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