Hi, I began to use the Rietveld methodology using the fullprof version in order to study solid solutions in non-ferrous alloys. However, most of the works use powder samples in order to avoid certain effects, for example, preferential orientation. Then, my question is: How recommend is this methodology for bulk materials?
Gagan K. Goyal
It depends on what information you seek from the Rietveld refinement. It is quite reliable for the phase quantification and crystal lattice constant estimation even for bulk samples including solid solutions. Fullprof allows the user to account for the preferential orientation as well.
However, the XRD data quality should be good to extract information using Rietveld refinement.
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