> The next step would be quantify these phases by Rietveld method using
TOPAS 3.0.

BTW, it shouldn't need a sophisticated Rietveld refinement to distinguish
between the relative quantities of simple FCC and BCC compounds - some
peaks may overlap almost completely, but others not at all.

I worry that people rely so much on databases and computer programmes, and
so little on thinking.

Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE
<[EMAIL PROTECTED]> +33.476.98.41.68

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