You might want to have a read of this paper: McCusker, L. B., Von Dreele, R. B., Cox, D. E., Louër, D. & Scardi, P. 1999, 'Rietveld Refinement Guidelines', Journal of Applied Crystallography, vol. 32, no. 1, pp. 36-50.
Cheers Matthew ________________ Matthew Rowles CSIRO Minerals Box 312 Clayton South, Victoria AUSTRALIA 3169 Ph: +61 3 9545 8892 Fax: +61 3 9562 8919 (site) Email: [EMAIL PROTECTED] -----Original Message----- From: Palash Manna [mailto:[EMAIL PROTECTED] Sent: Tuesday, 27 May 2008 14:16 To: rietveld_l@ill.fr Subject: Sequence for varying parameters in FullProf Hi all, I am a newcommer in this field. Recently, I have started refining X-ray and Neutron data of Perovskite material using FullProf. I would like to know about the sequence for varying different parameters (like Biso, Bov, a, b, c, scale, zero shift, etc) and also, the logic behind the sequence. Thanks in advance and regards, -- Mr. Palash Kumar Manna Junior Research Fellow, Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai 400 085