Have you tried the DBWS '98 version? which has TCHZ as its 7th profile
shape function.
Xiang Ouyang
Department of Chemistry
Texas A&M University
College Station,TX 77843
USA
On Thu, 26 Nov 1998, Stanislaw Gierlotka wrote:
>
> > Is something wrong if the value for NA (pseudo voigt) exceeds unity?
>
> It is absolutely normal for DBWS. And the reason is that the common
> behaviour of pV is that the fraction of Gaussian first decreases linearly
> and then levels out at the value of 0 (at high angles peaks are just
> Lorenzians). DBWS has only the linear decrease implemented (NA+2Theta*NB)
> and cannot handle correctly some data sets. With this respect T-C-H pV
> is MUCH better and MUCH MORE difficult to work with.
> Stan
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