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Interlaced X‐ray diffraction computed tomography
Author(s) -
Vamvakeros Antonios,
Jacques Simon D. M.,
Di Michiel Marco,
Senecal Pierre,
Middelkoop Vesna,
Cernik Robert J.,
Beale Andrew M.
Publication year - 2016
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s160057671600131x
Subject(s) - tomography , image resolution , optics , resolution (logic) , diffraction , pencil (optics) , tomographic reconstruction , temporal resolution , materials science , physics , computer science , artificial intelligence
An X‐ray diffraction computed tomography data‐collection strategy that allows, post experiment, a choice between temporal and spatial resolution is reported. This strategy enables time‐resolved studies on comparatively short timescales, or alternatively allows for improved spatial resolution if the system under study, or components within it, appear to be unchanging. The application of the method for studying an Mn–Na–W/SiO 2 fixed‐bed reactor in situ is demonstrated. Additionally, the opportunities to improve the data‐collection strategy further, enabling post‐collection tuning between statistical, temporal and spatial resolutions, are discussed. In principle, the interlaced scanning approach can also be applied to other pencil‐beam tomographic techniques, like X‐ray fluorescence computed tomography, X‐ray absorption fine structure computed tomography, pair distribution function computed tomography and tomographic scanning transmission X‐ray microscopy.