FullProf file for ID31

2007-01-16 Thread Sommariva, M \(Marco\)
Dear FullProf Users, does someone can suggest me where I can find a FullProf .pcr input file for ID31 beamline at ESRF? Many thanks in advance, reagrds, marco Marco Sommariva ISIS Department Ruther

RE: chi alumina structure

2007-01-19 Thread Sommariva, M \(Marco\)
Dear Gustavo, the cell (space group Pna21) should be: 4.834 x 8.3096 x 8.9353 Structure: Al10.1778 0.8383 0.6466 Al20.330700 0.024500 0.3775 Al30.313800 0.350200 0.5713 Al40.315600 0.657600 0.3734 O10.479600 0.852900 0.4977 O20.508500 0.508900 0.505 O3

RE: Software for solving electron diffraction patterns?

2007-05-19 Thread Sommariva, M \(Marco\)
Dear Heather, some times ago I had used for a while the (not free, I believe) software Electron Diffraction, by Jean-Paul Morniroli, in Lille, France. I guess you can try to get in touch with the author. I hope that helps, Regards, marco From: Heather Kami

RE: peaks splitting

2007-05-22 Thread Sommariva, M \(Marco\)
Dear Stefano, at first glance and reading what you describe, to my modest advice, it looks like a phase transition or distortion, as lowering the temperature this is very likely to occurr. Despite the splitting of the peaks is not very well resolved (instrumental reasons or simply very slight dis

RE: Bragg-Brentano vs. parallel beam

2009-01-23 Thread Sommariva, M (Marco)
Hi Markus, it all depends which use you plan to do most; someone can disagree but as far as I know parallel beam instruments, with sample in capillary are good for Rietveld refinements and structure solution, thanks to reliability of intensities. Disadvantages can be the longer data collection