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![[Figure 4]](ks6029fig4mag.jpg)
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Figure 4
A model of the core–shell particle with spherical disks evenly distributed in the shell of the particle imitating phase separation of a polymer material in the shell (a) and distance distribution functions calculated for the model particle surrounded by different contrast media with mass density 1.0 g cm−3 (b), 1.10 g cm−3 (c) and 1.13 g cm−3 (d). Parameters of the models: model 1, Rc = 300 Å, R = 370 Å, diameter of the disks Dd = 200 Å, ρc = 1.15 g cm−3, ρs = 1.0 g cm−3, density of the disks ρd = 1.2 g cm−3, the densities are present in mass density units of water sucrose solution, and number of the disks is 22, which corresponds to the ratio of the volume fraction of the disks and the rest of the shell as about 1:1; model 2, the same as above but ρs = 1.08 g cm−3 and ρd = 1.12 g cm−3 and the core–shell structure, Rc = 300 Å, R = 370 Å, ρc = 1.15 g cm−3, ρs = 1.10 g cm−3, no disks. For the sake of clarity the top surface of the disks and not the whole disks with the thickness of the shell is shown. Each set of distance distribution functions has been normalized by the maximum value obtained in p(r) of the core–shell structure surrounded by a water solution (ρm ≃ 1.0 g cm−3). |
![[Figure 4]](ks6029fig4.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
