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Figure 4
(a)–(h) Influence of r.m.s. deviation of the concentration on powder-like diffraction profiles. The red curves are profiles with uniform concentration. For the grey curves, values of σ go from 0.05 (light grey) to 0.3 (black). In plots (a)–(d) the random fluctuation of the concentration is symmetrical (α = 1) and in (e)–(h) the random fluctuation of the concentration prioritizes small regions with much higher Br concentration than the average concentration and large regions with slightly lower Br concentration than the average concentration (α = 5). Plots (i)–(l) show the influence of correlation length on the diffraction profile; the values go from ξ = 0.5 nm (light grey) to ξ = 17.5 nm (black) in 0.5 nm increments. All shown simulations are for a mosaic block size of 50 nm.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 3| June 2026| Pages 879-888
https://doi.org/10.1107/S1600576726002475
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