Re: Rietveld with Scintag XDS2000

Lachlan Cranswick ( lachlan@melbpc.org.au )
Thu, 31 Jul 1997 14:14:36 +1000

Is there any chance that there could be a linearity problem with the
detector or has that already been checked out? Solid State Detectors
are know for doing this and causing a world of pain!(?).

Cheers,

Lachlan.

At 12:27 30/07/97 -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).
>
>Thanks.
>
>Dana Griffen
>
>__________________________________________
>Dana Thomas Griffen <dana_griffen@byu.edu>
>Department of Geology
>Brigham Young University
>Provo, UT 84602
>Phone: 801-378-2305
>Fax : 801-378-8143
>
>
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