Open AccessAbsorption and extinction correction in quantitative DAFS analysis
Author(s) -
Meyer Dirk C.,
Kupsch Andreas,
Paufler Peter
Publication year - 2003
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s0909049502022343
Subject(s) - x ray absorption fine structure , extinction (optical mineralogy) , diffraction , attenuation , absorption (acoustics) , reflection (computer programming) , optics , texture (cosmology) , amplitude , computational physics , chemistry , molecular physics , materials science , physics , spectroscopy , quantum mechanics , computer science , programming language , artificial intelligence , image (mathematics)
An approach to X‐ray attenuation correction for diffraction anomalous fine‐structure (DAFS) measurements is presented, taking into account energy‐dependent secondary extinction effects. A numerical model based on the kinematical theory of diffraction is presented. This model is exemplified by DAFS measurements of the Zr 0002 reflection intensities for energies in the vicinity of the Zr K absorption edge of a Co/Zr multilayer exhibiting strong fibre texture. X‐ray absorption fine‐structure (XAFS) measurements proved to be a necessary auxiliary for DAFS amplitude correction.