Re: [sdpd] Cal malete

[Armel Le Bail <alb...@cristal.org>]

>Dear Varghese sir
>its possible to extract the cell parameters by
>Rietveld analysis.
>Many free softwares are available for it. first we
>have to obtain the xrd spectrum and the extract cell
>parameters from it. it can be done with ease. then
>doing rietveld analysis on the spectrum will give all
>the lattice parameters.
>with regards

Well, sorry, but this is a really very bad description of the
series of steps which you will have to pass through successfully
for completing a Stucture Determination by Powder
Diffractometry (SDPD). The Rietveld method is at the
end of the process, you cannot index any powder pattern
by using this method.

Concerning SDPD, on the Internet see :
http://www.cristal.org/DU-SDPD/

Also read the archive of the SDPD mailing list :
http://groups.yahoo.com/group/sdpd/

or buy these books maybe :
http://www.fetchbook.co.uk/compare.do?search=0198500912
(up to 48% discount...)
http://www.fetchbook.co.uk/compare.do?search=1402073658
(up to 28% discount)

Best wishes,

Armel





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