Séminaire - Electronic orderings inhomogeneity and their collective dynamics in strongly correlated materials: the coherent soft Resonant Elastic X-ray Scattering point of view - Claudio Mazzoli

Jeudi 30 juin 2022 à 16 h 30

Sorbonne Université - IMPMC - 4 place Jussieu - 75005 Paris - Barre 22-23 - 4e étage, salle 401

Claudio Mazzoli - Brookhaven National Laboratory, Upton, NY, USA

Abstract

Resonant Elastic X-ray Scattering (REXS) is a synchrotron technique exploiting atomic resonances in materials to investigate empty states symmetry and their correlations in reciprocal space. The specific perspective offered allows the investigation of electronic orderings, their interactions, and behavior under perturbations. With the addition of coherence, as generated by last generation sources, the view is further widened by including order parameter inhomogeneity and their collective dynamics. In my talk, I will present some forefront investigations of strongly correlated materials performed over the last years. Examples from High Temperature superconductors, multiferroics, artificially engineered materials, will be presented and the new insight gained in the specific cases discussed. General principle and approaches will be highlighted. Recent improvements and future opportunities will also be discussed, in view of innovative upcoming experiments and potential collaborations.