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EPSRC Reference: GR/M52243/01
Title: A NEW INSTRUMENT FOR NEUTRON TIME-OF-FLIGHT SINGLE CRYSTAL DIFFRACTION
Principal Investigator: Keen, Professor DA
Other Investigators:
Redfern, Professor S Radaelli, Professor P Nelmes, Professor RJ
Pulham, Professor C Wilson, Professor CC Florence, Professor AJ
Howard, Professor JAK
Researcher Co-Investigators:
Project Partners:
Department: ISIS Pulsed Neutron & Muon Source
Organisation: STFC Laboratories (Grouped)
Scheme: Standard Research (Pre-FEC)
Starts: 01 November 1999 Ends: 31 October 2002 Value (£): 956,371
EPSRC Research Topic Classifications:
Chemical Structure Condensed Matter Physics
Instrumentation Eng. & Dev.
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
This programme is the first phase of a two-phase project to produce a world-leading neutron time-of-flight single crystal diffractometer. Funding is requested to develop an integrated multi-detector and sample support assembly which may be installed on the beamline S3 at ISIS. It will be possible to carry out single crystal diffraction experiments which yield full structure factor data sets with a minimum of crystal rotations. Measurements will be possible on the short time-scales more usually associated with powder diffraction experiments. The combination of rapid data collection and a quasi-static sample will make temperature scanning measurements from single crystal samples routine for the first time using neutrons. As specific examples, this will have particular benefits for those concerned with phase transitions and developments of hydrogen atom disorder or thermally induced diffuse scattering. In addition structural problems with larger unit cells, where only smaller samples are available, and in-situ studies (including high-pressure structures) will be tractible with this instrument. Phase-II, which will be part of a future programme, will relocate the assembly constructed during Phase-I on a beamline with more appropriate characteristics to further enhance the instrument's capabilities, particularly for magnetic and biological applications.
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