Powder diffraction data beyond the pattern : a practical review

© Casati and Boldyreva 2025.

Détails bibliographiques
Publié dans:Journal of applied crystallography. - 1998. - 58(2025), Pt 4 vom: 01. Aug., Seite 1085-1105
Auteur principal: Casati, Nicola (Auteur)
Autres auteurs: Boldyreva, Elena
Format: Article en ligne
Langue:English
Publié: 2025
Accès à la collection:Journal of applied crystallography
Sujets:Journal Article Review 2D to 1D conversion FAIR data high-pressure data images in situ mechanochemical studies materials metadata minerals plus... particle statistics powder diffraction raw data
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520 |a We share personal experience in the fields of materials science and high-pressure research, discussing which parameters, in addition to positions of peak maxima and intensities, may be important to control and to document in order to make deposited powder diffraction data reusable, reproducible and replicable. We discuss, in particular, which data can be considered as 'raw' and some challenges of revisiting deposited powder diffraction data. We consider procedures such as identifying ('fingerprinting') a known phase in a sample, solving a bulk crystal structure from powder data, and analyzing the size of coherently scattering domains, lattice strain, the type of defects or preferred orientation of crystallites. The specific case of characterizing a multi-phase multi-grain sample following in situ structural changes during mechanical treatment in a mill or on hydrostatic compression is also examined. We give examples of when revisiting old data adds a new knowledge and comment on the challenges of using deposited data for machine learning 
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