Self-transformation of solid CaCO
3D X-ray fluorescence
coherent X-ray diffraction
microspheroids
Journal
IUCrJ
ISSN: 2052-2525
Titre abrégé: IUCrJ
Pays: England
ID NLM: 101623101
Informations de publication
Date de publication:
01 Sep 2022
01 Sep 2022
Historique:
received:
18
10
2021
accepted:
08
06
2022
entrez:
8
9
2022
pubmed:
9
9
2022
medline:
9
9
2022
Statut:
epublish
Résumé
The self-transformation of solid microspheres into complex core-shell and hollow architectures cannot be explained by classical Ostwald ripening alone. Here, coherent X-ray diffraction imaging and 3D X-ray fluorescence were used to visualize in 3D the formation of hollow microparticles of calcium carbonate in the presence of polystyrene sulfonate (PSS). During the dissolution of the core made from 10-25 nm crystals, the shell developed a global spheroidal shape composed of an innermost layer of 30 nm particles containing high PSS content on which oriented vaterite crystals grew with their
Identifiants
pubmed: 36071800
doi: 10.1107/S2052252522006108
pii: S2052252522006108
pmc: PMC9438498
doi:
Types de publication
Journal Article
Langues
eng
Pagination
580-593Informations de copyright
© Thomas Beuvier et al. 2022.
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