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Simulation of small-angle scattering from large assemblies of multi-type scatterer particles

1996; Elsevier BV; Volume: 383; Issue: 1-3 Linguagem: Inglês

10.1016/s0022-2860(96)09302-7

1872-8014

E. Pantos, Harold F. van Garderen, P.A.J. Hilbers, Theo P. M. Beelen, Rutger A. van Santen,

Adsorption, diffusion, and thermodynamic properties of materials

We describe a central processing unit (CPU)-efficient expansion of the Debye scattering formula for the calculation of small-angle scattering patterns of model systems composed of different types of scatterers. The algorithm permits the use of atomic scattering factors or form factors of hard spheres of variable radius and scattering density. We apply the algorithm to the computation of partial small-angle scattering profiles in biological multi-type systems and examine the relative importance of particles with different connectivities in determining the fractal dimension of large particle networks.