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Applications of synchrotron X-ray nano-probes in the field of cultural heritage

Abstract : Synchrotron-based techniques are increasingly used in the field of cultural heritage, and this review focuses notably on the application of nano-beams to access high-spatial-resolution information on fragments sampled in historical or model artworks. Depending on the targeted information, various nano-analytical techniques can be applied, providing both identification and localization of the various components. More precisely, nano-X-ray fluorescence probes elements, nano-X-ray diffraction identify crystalline phases, and nano X-ray absorption spectroscopy is sensitive to speciation. Furthermore, computed tomography-based techniques can provide useful information about the morphology and in particular the porosity of materials. © 2018 Académie des sciences. Published by Elsevier Masson SAS. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). r é s u m é Le domaine du patrimoine bénéficie de plus en plus des techniques utilisant le rayonne-ment synchrotron. Cette revue se concentre sur les nano-sondes, qui permettent des analyses précises de fragments prélevés sur des oeuvres historiques ou modèles. Selon l'information souhaitée, de nombreuses techniques nano-analytiques peuvent être utilisées, donnant simultanément accès à l'identification et à la localisation des différents composants. Plus précisément, la nano-fluorescence, la nano-diffraction et la nano-spectroscopie d'absorption des rayons X sondent respectivement la composition élémentaire, les structures cristallines et la spéciation. Parallèlement, les techniques basées sur la tomographie par rayons X caractérisent la morphologie et, en particulier, la porosité des matériaux.
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Marine Cotte, Anaïs Genty-Vincent, Koen Janssens, Jean Susini. Applications of synchrotron X-ray nano-probes in the field of cultural heritage. Comptes Rendus Physique, Centre Mersenne, 2018, 19 (7), pp.575-588. ⟨10.1016/j.crhy.2018.07.002⟩. ⟨hal-01954494⟩

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