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Detector aperture size in the conventional estimation of integrated intensity in the /20 scan mode
Author(s) -
McL Mathieson A.
Publication year - 1983
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/s0021889883011012
Subject(s) - aperture (computer memory) , detector , optics , reflection (computer programming) , lambda , mode (computer interface) , function (biology) , intensity (physics) , physics , materials science , computer science , acoustics , operating system , evolutionary biology , biology , programming language
In respect of the traditional wide‐aperture procedure for the measurement of integrated intensity, the practice of varying the detector aperture width from reflection to reflection as a function of tan θ is shown to be erroneous in relation to the ω /2 θ scan mode: in most cases, no adjustment is needed at all.