Re: Rietveld with Scintag XDS2000

Armel Le Bail ( armel@fluo.univ-lemans.fr )
Thu, 31 Jul 1997 15:27:42 +0200

At 12:27 30/07/1997 -0600, you wrote:
>My powder diffractometer is a Scintag XDS2000 with a Ge solid state
detector, and I
>have been experiencing difficulty reproducing the certified intensities
for NIST1976
>(Al2O3) or getting Rwp in Rietveld refinements below about 19%. I would
appreciate
>comparing notes with anyone who is using the same type of instrument for
Rietveld
>refinements (regardless of whether Al2O3 has been attempted).

For Al2O3 well fitted data without structure (Le Bail method ;-), see :
http://fluo.univ-lemans.fr:8001/powdif/low_fwhm_and_rp.html

Best wishes,

Armel Le Bail, Laboratoire des Fluorures, CNRS UPRES-A 6010
Faculte des Sciences, Universite du Maine, F-72085 Le Mans Cedex 9, France