[sdpd] [Neutron] XPRESS access mechanism

["Radaelli, PG (Paolo)" <alb...@cristal.org> (by way of Armel Le Bail <alb...@cristal.org>)]

Dear Colleague,

Starting from cycle 2004/03 (April-May 2005), ISIS has started to offer a 
"Measure-by-Courier" powder diffraction access mechanism to the GEM 
diffractometer (XPRESS).  This mechanism is aimed at new and infrequent 
users, research programmes requiring only limited and/or occasional neutron 
beamtime and chemistry programmes operating a tight loop between synthesis 
and structural characterisation. A total of 1 beam day per cycle on the GEM 
powder diffractometer will be devoted to this programme.

Initially, samples will only be measured at room temperature and in 
standard containers, but access to sample environment is currently being 
planned.Fully reduced and corrected high-quality data, ready for Rietveld 
refinement, will be provided to the user, together with example files and 
guidelines for refinement. The user is expected to carry out the structural 
analysis with minimal assistance.
The next XPRESS run is scheduled for
TUESDAY, JULY 19 2005

To access XPRESS and read the full instructions, please follow the link on 
the ISIS proposal page http://www.isis.rl.ac.uk/applying/.  The system is 
designed to be self explanatory.
Your Login ID (email address) and password is the same as for the normal 
proposal submission.  If you are not currently an ISIS user, you will be 
asked to register on line prior to submission of an XPRESS request.
I very much looking forward to receiving your first XPRESS requests.
Paolo Radaelli
*******************************
Prof. Paolo G. Radaelli
Crystallography Group Leader
ISIS Facility, Rutherford Appleton Laboratory
Chilton, Didcot, Oxfordshire

OX11 0QX, United Kingdom

Phone: +44-1235-445685
FAX:  +44-1235-445642
***********************************************************




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