There is evidence to indicate that some diffusely scattering substances are essentially highly defective lattices rather than made up of small domains diffracting incoherently with respect to each other. Equations have been derived for the diffraction profiles from such lattices; they are of a cauchy type. Highly defective lattices are characterizable by a mean defect-free distance rather than a domain size. Several criteria are presented for distinguishing defect-broadening from domain or particle-size broadening, and procedures are outlined for the separation of strain and defect broadenings.
Issue of Publication
Phys. Rev. B, V. 1, No. 8, April 1970, PP. 3371-3380
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