01 Décembre 2023

Séminaire IPCMS présenté par Amélie JUHIN

Titre : « Magnetic nanomaterials with remarkable properties studied by advanced x-ray spectroscopies »

Oratrice : Amélie JUHIN  (Institut de Minéralogie, Physique des Matériaux et Cosmochimie (IMPMC). CNRS-Sorbonne Université)

Résumé : X-ray spectroscopies performed at synchrotron light sources, such as X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering are powerful tools to study complex materials, due to their chemical selectivity that allows disentangling the respective contributions of different atomic species. In this talk, I will show how the use of incident polarized x-rays (either linear or circular) can allow a deeper understanding of the electronic structure and reveal emergent properties, with a focus on remarkable magnetic nanomaterials: Single Molecule Magnets, bimagnetic nanoparticles, ferrofluids, ultra-thin nanowires. Moreover, I will illustrate how the combination of these spectroscopies with x-ray microscopy can provide valuable information with nanoscale spatial resolution, exemplified by recent results obtained on magnetotactic organisms.

01 Décembre 2023, 15h0016h00
Auditorium del'IPCMS

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19 Juin 2024

Soutenance HDR : Guido ORI

Titre : “Quantitative predictive modeling of complex disordered and hybrid materials for memory and energy applications”