RE: Instrumental resolution function

2013-09-16 Thread Ian.Madsen
fr Subject: Re: Instrumental resolution function Tubetails are simply the result of emission of the target radiation from outside the wanted line focus, some mm around. Depending on tube quality, age and operating power, one can have varying shapes when projected on the 2theta scale. Exam

Re: Instrumental resolution function

2013-09-16 Thread Reinhard Kleeberg
y, 17 September 2013 2:08 AM To: Peter Y. Zavalij; Alan Coelho; mariomac...@tux.uis.edu.co; rietveld_l@ill.fr Subject: RE: Instrumental resolution function Alan, Peter, Would you mind briefly elaborating on the procedure used to "fit tube tails?" I personally have only used GSAS for Rietveld

RE: Instrumental resolution function

2013-09-16 Thread Peter Y. Zavalij
Yes but it will also significantly reduce intensity of diffraction peak Peter Zavalij Original message From: Leopoldo Suescun Date: 09/16/2013 10:39 PM (GMT-05:00) To: Cc: rietveld_l@ill.fr Subject: Re: Instrumental resolution function Hi, Wouldn't a change of Ni f

Re: Instrumental resolution function

2013-09-16 Thread Leopoldo Suescun
inal Message- > From: Matt Beekman [mailto:matt.beek...@oit.edu] > Sent: Tuesday, 17 September 2013 2:08 AM > To: Peter Y. Zavalij; Alan Coelho; mariomac...@tux.uis.edu.co; > rietveld_l@ill.fr > Subject: RE: Instrumental resolution function > > Alan, Peter, > >

RE: Instrumental resolution function

2013-09-16 Thread Alan Coelho
Coelho; mariomac...@tux.uis.edu.co; rietveld_l@ill.fr Subject: RE: Instrumental resolution function Alan, Peter, Would you mind briefly elaborating on the procedure used to "fit tube tails?" I personally have only used GSAS for Rietveld refinement, and other than adding another phase(s) with sl

RE: Instrumental resolution function

2013-09-16 Thread Alex Yokochi
l-requ...@ill.fr] On Behalf Of Matt Beekman Sent: Monday, September 16, 2013 9:10 AM To: 'Peter Y. Zavalij'; 'Alan Coelho'; mariomac...@tux.uis.edu.co; rietveld_l@ill.fr Subject: RE: Instrumental resolution function Alan, Peter, Would you mind briefly elaborating on the procedur

RE: Instrumental resolution function

2013-09-16 Thread Peter Y. Zavalij
.beek...@oit.edu] Sent: Monday, September 16, 2013 12:08 PM To: Peter Y. Zavalij; Alan Coelho; mariomac...@tux.uis.edu.co; rietveld_l@ill.fr Subject: RE: Instrumental resolution function Alan, Peter, Would you mind briefly elaborating on the procedure used to "fit tube tails?" I personally have

RE: Instrumental resolution function

2013-09-16 Thread Matt Beekman
fr Subject: RE: Instrumental resolution function I do exactly the same - fit tube tails using LaB6 standard and use the parameters (usually w/o fitting) in all other refinements. Although tube tails fitting helps a lot it's not perfect. Peter Zavalij -Original Message- Fr

RE: Instrumental resolution function

2013-09-16 Thread mariomacias
ng helps a lot it's not perfect. > Peter Zavalij > > -Original Message- > From: Alan Coelho [mailto:alancoe...@bigpond.com] > Sent: Sunday, September 15, 2013 10:05 PM > To: Peter Y. Zavalij; mariomac...@tux.uis.edu.co; rietveld_l@ill.fr > Subject: RE: Instrumental

RE: Instrumental resolution function

2013-09-16 Thread Peter Y. Zavalij
unday, September 15, 2013 10:05 PM To: Peter Y. Zavalij; mariomac...@tux.uis.edu.co; rietveld_l@ill.fr Subject: RE: Instrumental resolution function 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

RE: Instrumental resolution function

2013-09-15 Thread Alan Coelho
-requ...@ill.fr] On Behalf Of Peter Y. Zavalij Sent: Monday, 16 September 2013 10:55 AM To: mariomac...@tux.uis.edu.co; rietveld_l@ill.fr Subject: RE: Instrumental resolution function Hi Mario, The shoulder you observe is what's left from "white" after it is cut off by beta-filer. You

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