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Figure 4
(a) One-quarter of a Sobol operator edge-filtered Funk transformation derived from the master pattern and (b) only one-sixth. The BKD pattern is shown in Fig. 2[link]. For each (hkl) (blue dots) beside θasym (radial black bars), [W_{hkl} - 2{\overline \theta}_{hkl}] (single red or green bars ⊥ θasym) are also drawn. In panel (a) all profiles are proved to be symmetric since the complete diffraction signal is used. The short black bars for some (hkl) in panel (b) indicate that this is not the case any more for (incomplete) BKD patterns. The superposition of bands is also the reason why some band widths determined via the first derivative do not correspond to the geometrically exact Bragg angles.

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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