Magnetic X-ray imaging using a single polarization and multimodal-ptychography

Autor: Martínez, Marisel Di Pietro, Wartelle, Alexis, Mille, Nicolas, Stanescu, Stefan, Belkhou, Rachid, Fettar, Farid, Favre-Nicolin, Vincent, Beutier, Guillaume

Polarized X-rays allow for imaging birefringent or dichroic properties of materials with nanometric resolution. To disentangle these properties from the electronic density, either a polarization analyzer or several measurements with different polariz

Externí odkaz: http://arxiv.org/abs/2404.18627

Three-dimensional tomographic imaging of the magnetization vector field using Fourier transform holography

Autor: Martínez, Marisel Di Pietro, Wartelle, Alexis, Martínez, Carlos Herrero, Fettar, Farid, Blondelle, Florent, Motte, Jean-François, Donnelly, Claire, Turnbull, Luke, Ogrin, Feodor, van der Laan, Gerrit, Popescu, Horia, Jaouen, Nicolas, Yakhou-Harris, Flora, Beutier, Guillaume

In recent years, interest in expanding from 2D to 3D systems has grown in the magnetism community, from exploring new geometries to broadening the knowledge on the magnetic textures present in thick samples, and with this arise the need for new chara

Externí odkaz: http://arxiv.org/abs/2212.10183

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Coherent diffraction imaging at space-group forbidden reflections

Autor: Beutier, Guillaume, Eymery, Joel, Dupraz, Maxime, Richard, Marie-Ingrid, Wartelle, Alexis, Verdier, Marc, de Boissieu, Marc, Collins, Steven, Bellec, Ewen, Favre-Nicolin, Vincent, Leake, Steven

Publikováno v: Acta Crystallographica Section A : Foundations and Advances [2014-...]
Acta Crystallographica Section A : Foundations and Advances [2014-..], 78 (a2), pp.e285-e286, 2022, ⟨10.1107/S2053273322094372⟩
IUCr 2021-25th congress of the International Union of Crystallography
IUCr 2021-25th congress of the International Union of Crystallography, Aug 2021, Prague, Czech Republic. pp.C285-C285, ⟨10.1107/S0108767321093971⟩

On one hand, coherent diffraction imaging (CDI) in Bragg geometry has emerged as a unique 3D microscopy ofnanocrystals thanks to 3rd generation synchrotron sources. Away from absorption edges and at space-groupallowed reflections, it provides not onl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::818d9de173318ac614fd217f14eb93a5
https://doi.org/10.1107/s0108767321093971

Modelling the statics and the dynamics of fluctuations in the ordering alloy AuAgZn2.

Autor: Livet, Frédéric, Fèvre, Mathieu, Beutier, Guillaume, Abouhilou, Fadi, Sutton, Mark

Publikováno v: European Physical Journal - Applied Physics; 2022, Vol. 97, p1-5, 5p