Another way of thinking about it is that PDF represents the pair correlation function, and there can be no correlation between atom positions in two different phases :-) Same thing for Rietveld refinement. Alan.
Brian H. Toby said: > I had to think for a bit: the Fourier transform of a sum is equal to > the sum of the terms transformed individually, so the G(r) for a > mixture is the weighted sum of G(r) for the components. _____________________________________________________________ Dr Alan Hewat, ILL Grenoble, FRANCE <[EMAIL PROTECTED]>fax+33.476.20.76.48 +33.476.20.72.13 (.26 Mme Guillermet) http://www.ill.fr/dif/people/hewat/ _____________________________________________________________
