Abstract:
A theory of diffuse X-ray scattering from a crystal with spheroidal pores has been developed. Expressions for the Debye-Waller factor, intrinsic correlation function, and correlation volume have been derived. Reciprocal-space maps of the diffuse scattering have been numerically simulated for model crystals with pores having the shapes of spheroids and rectangular parallelepipeds. It is established that the pore size fluctuations influence the angular distribution of X-ray scattering intensity in the reciprocal space.
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