RE: Instrumental resolution function

2013-09-15 Thread Alan Coelho
Hi Peter, Mario I happen to have a Ni filter, Cu, LaB6 pattern that has a very similar look to the one sent by Mario. Probably best to look at the 21.35 degrees 2Th peak. The Ni filter cut-off occurs at 20.6 degrees 2Th, the satellite group is hard to see due to the low angle and hence compressio

looking for an old paper

2013-09-15 Thread Enyuan Hu
Dear all, I was looking for the following paper Group-subgroup relations between space groups: a useful tool in crystal chemistry H *Bärnighausen* - MATCH Comm. Math. Chem, 1980 It turned out that this paper has to be purchased on order. If you happen to have this one and don't mind to share, pl

RE: Instrumental resolution function

2013-09-15 Thread Peter Y. Zavalij
Hi Mario, The shoulder you observe is what's left from "white" after it is cut off by beta-filer. You could check the absorption edge of Ni and it is right at the shoulder you observe. Peter __ Peter Zavalij X-ray Crystallographic Center University of Maryland Col