isotropic displacement parameter

The Biso isotropic displacement parameter of each element in my refinement using fullprof is over 3 and negative ? but my refinement looks good and Rwp is only 9 could anybody give me some advice Thanks sincerely *ABKAR RACHID* ++ Please

Steps or guideline to refine two phases using fullproff

Thanks for your reply. It would be very helpful if you send me some procedure or guideline , how to perform two phase refinement through Fullprof? second phase is minority *ABKAR RACHID* Doctorant - Ingénierie en Materiaux ++ Please do N

Help

Hi everybody, I need please the space group, lattice parameter and atomic position for both Sr2TeO4 and Ba2TeO5 Thank you. *RACHID* ++ Please do NOT attach files to the whole list Send commands to eg: HELP as the subject with no body te

atomic position

I need please atomic position for both structure Ba2TeO4 space group pbcn(60) and Ba2TeO5 Space Group: P41212 (92) to usefor rietveld refinement. I have not found them maybe they are in PDF4. Regards * RACHID* ++ Please do NOT