On Thu, 25 Mar 1999, Brian H. Toby wrote:
> Plotting in Q sounds good to me.
>
Good for comparing instruments for resolution and d-spacing range, no
wonder the suggestion came from ISIS :-) However not so good for examining
fits from long d-spacing TOF diffractometers such as OSIRIS and IRIS
(ISIS/TOF instruments for longer d-spacings). While I agree with Paolo
that a standard unit would be useful, please don't make me plot an OSIRIS
dataset with range 0.8-8 Angstroms in Q! The region of interest is the
longer d-spacings (incommensurate magnetic structures), and it gets
crunched up into some spikes.
Horses for courses... shouldn't a fit show information which all has
approximately equal weighting in the minimisation algorithm? In the same
way that difference/esd is often more illuminating than just a
plain difference curve.
Jon Wright
PhD Student
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