Absorption Correction for Annular Cylindrical Samples in Powder Neutron Diffraction | Zendy

Schmitt D. | Zendy; Ouladdiaf B. | Zendy

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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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