Re: for help

2001-05-25 Thread Jean-Marc Joubert
>Dear all, I have three questions as follows, >1.If there are three or more atoms in the same >site(e.g.,LiNi1-x-y-zCoxMgyTizO2£©,how to set the constraints and refine >their fractions? From a single diffraction dataset you can not refine more than one occupancy parameter per site. You must

cubic lithium niobium oxide

2001-05-25 Thread Diffract
could somebody direct me to the structure of cubic lithium niobium oxide (Li3NbO4 ao~8.4A); what is it isostructural with? L. Keller

Re: cubic lithium niobium oxide

2001-05-25 Thread Uwe Kolitsch
Flux growth and crystal structure determination of trilithium niobate Shishido et al. (1996) J. Alloys Compounds 234, 256-259 Li3NbO4 Ukei et al. (1994) Acta Cryst. C50, 655-656. Synthesis and structures of the partially ordered rock salt phases, Li3M2XO6: M = Mg, Co, Ni; X = Nb, Ta, Sb. Ma

intensity vs pixel

2001-05-25 Thread CHANDRASEN RATHOR
Dear Sir, I am graduate student working in area of Synchrotron diffraction. I have diffraction pattern as recorded by the two dimensional detector(CCD camera) showing concentric diffraction rings of NI-Ti alloys under zero applied stress and some applied stress. I have found intensity vs pixel

introducing myself

2001-05-25 Thread Andreas Leineweber
Hi, although I already sent a short reply to a message, I just want to introduce myself as a a new subscriber to the Rietveld mailing. My name is Andreas Leineweber and I am scientist in the department of Prof. E. J. Mittemeijer, Max-Planck-Institut for metals research (Max-Planck-Institut fuer M

Re: intensity vs pixel

2001-05-25 Thread Joe Rongen
- Original Message - From: "CHANDRASEN RATHOR" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, May 25, 2001 11:44 AM Subject: intensity vs pixel > Dear Sir, > > I am graduate student working in area of Synchrotron > diffraction. > > I have diffraction pattern as recorded by the