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Figure 7
The scattering profiles for a spherical colloid under different conditions (a–d) as indicated in the legend [the natural units for [\Delta\rho] (Å−2), R (Å) and k (Å−1) are used – for faster calculations the contrast [\Delta\rho = 10^{-3}] was chosen, which produces similar results to the more realistic value of [10^{-5}] – the main variation is the parameter [\kappa_{0} = |\Delta\rho|R/k] = 0.2, 1, 3 and 10 for (a–d) and [\kappa = {{4} \over {3}}\kappa_{0}]]. The intensity is normalized to unity for no multiple scattering – the same as in Fig. 1[link]. The x axis is normalized to dimensionless units qR. The gray lines represent the exact calculations. The solid lines represent the simplified approximations presented in this article [equation (38)]. For higher q the heavy oscillations are neglected and exchanged by the average trend. The dimensionless critical scattering vector [q_{\rm c}R] is also indicated.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 58| Part 5| October 2025| Pages 1553-1570
https://doi.org/10.1107/S1600576725006685
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