Optimization of a focusing monochromator for neutron strain-scanning diffractometer

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DOIResolve DOI: http://doi.org/10.1007/s003390201433
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TypeArticle
Journal titleApplied Physics A: Materials Science & Processing
Volume74
Issue0
Pagess1489-s1491
AbstractComparison of mosaic and elastically deformed crystals as possible candidates for horizontally focusing monochromators at a high-resolution powder diffractometer is presented. The comparison is based on Monte Carlo simulations used to optimize instrument performance for several variants of configuration. The results show that elastically deformed crystals can be optimized better than the mosaic ones in a wide range of wavelengths, except for the case when focusing in momentum space requires a nearly flat monochromator. A set of diffraction profiles measured at a strain-scanning diffractometer configured with an elastically bent Si monochromator is compared with simulations in order to validate the simulations.
Publication date
AffiliationNational Research Council Canada; NRC Canadian Neutron Beam Centre
Peer reviewedNo
NPARC number12333711
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Record identifiercd240910-767b-4c90-9d78-0c1005d1c495
Record created2009-09-10
Record modified2016-05-09
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