| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Collet, Eric
Institut de Physique de Rennes
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024From Ultrafast Photoinduced Small Polarons to Cooperative and Macroscopic Charge‐Transfer Phase Transitioncitations
- 2024Observation of a Picosecond Light-Induced Spin Transition in Polymeric Nanorods.citations
- 2022Impact of the terahertz and optical pump penetration depths on generated strain waves temporal profiles in a V 2 O 3 thin filmcitations
- 2022Thermal and magnetic field switching in a two-step hysteretic MnIII spin crossover compound coupled to symmetry breakingscitations
- 2022Thermal and Magnetic Field Switching in a Two‐Step Hysteretic Mn<sup>III</sup> Spin Crossover Compound Coupled to Symmetry Breakingscitations
- 2022Thermal and Magnetic Field Switching in a Two‐Step Hysteretic Mn(III) Spin Crossover Compound Coupled to Symmetry Breakingscitations
- 2022Thermal and magnetic field switching in a two-step hysteretic Mn III spin crossover compound coupled to symmetry breakingscitations
- 2020Landau Theory for Non-Symmetry-Breaking Electronic Instability Coupled to Symmetry-Breaking Applied to Prussian Blue Analoguecitations
- 2020Charge transfer driven by ultrafast spin transition in a CoFe Prussian blue analoguecitations
- 2017Structural Dynamics upon Photoexcitation in a Spin Crossover Crystal Probed with Femtosecond Electron Diffractioncitations
- 2017Competing phases involving spin-state and ligand structural orderings in a multistable two-dimensional spin crossover coordination polymercitations
- 2012New ferroelectric: Bis-thiourea pyridinium bromide inclusion compoundcitations
- 2010Ferromagnetically coupled Shastry-Sutherland quantum spin singlets in (CuCl)LaNb₂O₇.citations
- 2010Nanoscale self-hosting of molecular spin-states in the intermediate phase of a spin-crossover material.citations
- 2009Large and ultrafast photoinduced reflectivity change in the charge separated phase of Et2Me2Sb[Pd(1,3-dithiol-2-thione-4,5-dithiolate)2]2citations
- 2009Discovery of an intermediate phase in bis-thiourea pyridinium chloride inclusion compound.citations
Places of action
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article
Observation of a Picosecond Light-Induced Spin Transition in Polymeric Nanorods.
Abstract
Spin transition (ST) materials are attractive for developing photoswitchable devices, but their slow material transformations limit device applications. Size reduction could enable faster switching, but the photoinduced dynamics at the nanoscale remains poorly understood. Here, we report a femtosecond optical pump multimodal X-ray probe study of polymeric nanorods. Simultaneously tracking the ST order parameter with X-ray emission spectroscopy and structure with X-ray diffraction, we observe photodoping of the low-spin-lattice within ∼150 fs. Above a ∼16% photodoping threshold, the transition to the high-spin phase occurs following an incubation period assigned to vibrational energy redistribution within the nanorods activating the molecular spin switching. Above ∼60% photodoping, the incubation period disappears, and the transition completes within ∼50 ps, preceded by the elastic nanorod expansion in response to the photodoping. These results support the feasibility of ST material-based GHz optical switching applications.