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Figure 3
(a) A comparison of the γ-Fe band profile of {046} (blue) derived from the master pattern with band profiles of (640) (red) and (604) (green) averaging the intensity from a single cube projection plane only. The light- and dark-coloured profiles are derived from simulations with resolutions of 1025 × 1025 and 513 × 513 pixels per cube projection plane, respectively. (b) The first derivatives I′ (smoothing level 10 in CALM) of the intensity profiles shown in panel (a). (c) Enlargements showing that both the maxima (left) and the minima (right) slightly underestimate the true Bragg angle θ{hkl} indicated by vertical dotted lines. There is no significant difference between the high- and low-resolution profiles (light and dark green). However, small θ shifts occur compared with the blue (ideal) profile.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 56| Part 2| April 2023| Pages 349-360
https://doi.org/10.1107/S1600576723000134
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