The new single-crystal neutron Laue diffractometer in Berlin

Iles, G and Schorr, S 2016, 'The new single-crystal neutron Laue diffractometer in Berlin', in Proceedings of the 21st Meeting of the International Collaboration on Advanced Neutron Sources, Mito, Japan, 29 September - 3 October 2014, pp. 286-291.

Document type: Conference Paper
Collection: Conference Papers

Title The new single-crystal neutron Laue diffractometer in Berlin
Author(s) Iles, G
Schorr, S
Year 2016
Conference name ICANS XXI
Conference location Mito, Japan
Conference dates 29 September - 3 October 2014
Proceedings title Proceedings of the 21st Meeting of the International Collaboration on Advanced Neutron Sources
Publisher I O S Press
Place of publication Netherlands
Start page 286
End page 291
Total pages 6
Abstract We have recently completed construction of a thermal neutron Laue diffractometer in the experimental hall of the BER-II reactor at HZB in Berlin. The Fast Acquisition Laue Camera for Neutrons (FALCON) receives a direct stream of neutrons with a low gamma radiation count. Whilst other neutron sources report that guides containing multiple instruments interfere with the intensity and quality of the neutron beam reaching end positions, FALCON will benefit from a beam that does not pass through any objects upstream. A uniquely-designed shutter and beam definer deliver a highly focused neutron beam to the instrument with <1° divergence. The instrument comprises two scintillator plate detectors coupled to four iCCD cameras each. The neutron beam passes through the detector units enabling one detector to be placed in the backscattering position and the second detector in the transmission position. The image-intensified CCDs are capable of obtaining 20-bit digitization Laue images in under ten seconds and variable sample table and detector positions allow a full range of sample environments to be utilised. Simulations using McStas and the HZB in-house software, VITESS, show the expected resolution of our diffractometer. FALCON is currently in the commissioning phase and should be available to users in 2015.
Subjects Condensed Matter Characterisation Technique Development
Keyword(s) neutron diffraction
neutron instrumentation
laue diffraction
scintillation detectors
DOI - identifier 10.11484/jaea-conf-2015-002
Copyright notice © Japan Atomic Energy Agency / High Energy Accelerator Research Organization, 2016
ISSN 1023-8166
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