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Absorption Correction for Annular Cylindrical Samples in Powder Neutron Diffraction
Author(s) -
Schmitt D.,
Ouladdiaf B.
Publication year - 1998
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889898002672
Subject(s) - cylinder , neutron diffraction , diffraction , optics , neutron , materials science , absorption (acoustics) , intensity (physics) , physics , geometry , nuclear physics , mathematics
Neutron absorption correction coefficients have been calculated numerically for annular cylindrical samples which are highly absorbing materials (1 < μR < 30). The angular variation of the absorption factor differs from that of an equivalent full cylinder. As an example, a gain of a factor of 15 in diffracted intensity can be reached at low Bragg angles for μR = 18 if an annular cylinder is used instead of a full cylindrical sample holder with the same amount of material.

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