New Regularization Method for EXAFS Analysis

6533b7cefe1ef96bd1256ef1

RESEARCH PRODUCT

New Regularization Method for EXAFS Analysis

Alexander L. Ageev Maxim E. Korshunov Tatiana Ye. Reich Henry Moll Tatiana V. Antonova Tobias Reich

subject

Tikhonov regularization X-ray spectroscopy Extended X-ray absorption fine structure Absorption spectroscopy Chemistry Regularization (physics)Analytical chemistry Crystal structure Spectroscopy Spectral line

description

As an alternative to the analysis of EXAFS spectra by conventional shell fitting, the Tikhonov regularization method has been proposed. An improved algorithm that utilizes a priori information about the sample has been developed and applied to the analysis of U L3‐edge spectra of soddyite, (UO2)2SiO4⋅2H2O, and of U(VI) sorbed onto kaolinite. The partial radial distribution functions g1(UU), g2(USi), and g3(UO) of soddyite agree with crystallographic values and previous EXAFS results.

year	journal	country	edition	language
2007-01-01	AIP Conference Proceedings

https://doi.org/10.1063/1.2644459

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