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The effect of size ratio on the sphere structure factor in colloidal sphere-plate mixtures
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10.1063/1.4767722
/content/aip/journal/jcp/137/20/10.1063/1.4767722
http://aip.metastore.ingenta.com/content/aip/journal/jcp/137/20/10.1063/1.4767722

Figures

Image of FIG. 1.
FIG. 1.

The functions (red solid), (blue dotted), (green dashed) obtained at various sphere densities ρ* = 0.025 (a), 0.0625 (b), 0.125 (c), and 0.25 (d) for the case with platelets having a diameter .

Image of FIG. 2.
FIG. 2.

The functions (red solid), (blue dotted), (green dashed) obtained at various sphere densities ρ* = 0.025 (a), 0.0625 (b), 0.125 (c), and 0.25 (d) for the case with platelets having an area .

Image of FIG. 3.
FIG. 3.

SANS scattering curves for sphere-gibbsite mixtures in 41.5%v/v D2O. (a) Particles A at 2.5%v/v only () and with 0.05%v/v (▽) and 0.1%v/v (■) gibbsite plates; (b) particles B at 4.2%v/v only (), and with 0.25%v/v gibbsite plates (▽). For comparison, the scattering of 0.75%v/v (×) gibbsite plates is shown; (c) particles C at 6.7%v/v () and with 0.25% (▽), 0.50% (■) and 0.75%v/v (⋄) gibbsite plates. Dashed lines are fits to the sphere-only data.

Image of FIG. 4.
FIG. 4.

Comparison between theory and experiments: (a) theoretical curve (black line) and experimental data (red circles (current) and blue squares (previous)) for particles B; (b) theoretical curve (black line) and experimental data (red circles) for particles C.

Image of FIG. 5.
FIG. 5.

Comparison between the curves obtained making use of Eq. (1) (solid line) and those coming from KB theory and Eq. (A8) (dashed line): small plate/sphere diameter ratio, , and (a) , (b) and (c) ; large plate/sphere diameter ratio, , and (d) , (e) and (f) .

Tables

Generic image for table
Table I.

Mean dimensions of the spheres and plates, including polydispersity from TEM/AFM data and average bare and effective dimensions of spheres and plates from scattering data.

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/content/aip/journal/jcp/137/20/10.1063/1.4767722
2012-11-28
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effect of size ratio on the sphere structure factor in colloidal sphere-plate mixtures
http://aip.metastore.ingenta.com/content/aip/journal/jcp/137/20/10.1063/1.4767722
10.1063/1.4767722
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