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Absorption correction A* for cylindrical and spherical samples with extended range and high accuracy calculated by the Thorkildsen and Larsen analytical method

Absorption correction A* for cylindrical and spherical samples with extended range and high... Tables of the absorption correction A* for cylindrical and spherical crystals were calculated by the Thorkildsen & Larsen [Acta Cryst. (1998), A54, 186–190] analytical method in the range of 0 ≤μR≤ 30 and 0 ≤θ≤ 90° with accuracies of 10−6 for cylindrical crystals and 2.0 × 10−6 for spherical crystals. Bivariate Chebyshev polynomial fitting formulae for A* are also provided for both cases. The maximum fitting error for spherical crystals is 6 × 10−3 and the average error ranges from 7 × 10−5 to 3 × 10−4. All the important tables and the fitting program are provided in the supplementary material. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section A Foundations of Crystallography Wiley

Absorption correction A* for cylindrical and spherical samples with extended range and high accuracy calculated by the Thorkildsen and Larsen analytical method

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References (10)

Publisher
Wiley
Copyright
Copyright © 2012 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0108-7673
eISSN
1600-5724
DOI
10.1107/S0108767312039505
pmid
23075619
Publisher site
See Article on Publisher Site

Abstract

Tables of the absorption correction A* for cylindrical and spherical crystals were calculated by the Thorkildsen & Larsen [Acta Cryst. (1998), A54, 186–190] analytical method in the range of 0 ≤μR≤ 30 and 0 ≤θ≤ 90° with accuracies of 10−6 for cylindrical crystals and 2.0 × 10−6 for spherical crystals. Bivariate Chebyshev polynomial fitting formulae for A* are also provided for both cases. The maximum fitting error for spherical crystals is 6 × 10−3 and the average error ranges from 7 × 10−5 to 3 × 10−4. All the important tables and the fitting program are provided in the supplementary material.

Journal

Acta Crystallographica Section A Foundations of CrystallographyWiley

Published: Jan 1, 2012

Keywords: ; ; ;

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