Dave,
If you can send also the data-file you may increase a chance to get further
feedback.
Leonid
***
Leonid A. Solovyov
Institute of Chemistry and Chemical Technology
660049, K. Marx 42, Krasnoyarsk, Russia
www.icct.ru/eng/content/persons/So
Peter is correct, you should use very small step sizes for this material,
and it is important NOT to strip anything when attempting to determine U,
V, and W. You should also collect data over a very wide angular range,
ideally up as high as you can go. Incident- and diffracted-beam Soller
slits
