>
> That means after identifying impurity phases, we should keep cell
> parameters and and all shape parameters fixed for impurity phases in
> Rietveld refinement and refine only scale factor of these phases along with
> main phase and then refine all cell parameters and and all shape parameters
> for the main phase?
>
Yes. Then you can refine the cell parameters and scale factors for the
impurity phases. Be careful not to include too many peak shape parameters -
start by constraining them to be the same for all phases.
______________________________________________
* Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE *
<alan.he...@neutronoptics.com> +33.476.98.41.68
http://www.NeutronOptics.com/hewat
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