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Updated: Jun 17, 2025

Analysis of SEC-SAXS data via EFA deconvolution and Scatter
Published on: January 28, 2021
DFT2FEFFIT: a density-functional-theory-based structural toolkit to analyze EXAFS spectra
Alain Manceau1,2, Romain Brossier3, Olivier Mathon1
1European Synchrotron Radiation Facility (ESRF) 38000Grenoble France.
Abstract:
This article presents a Python-based program, DFT2FEFFIT, to regress theoretical extended X-ray absorption fine structure (EXAFS) spectra calculated from density functional theory structure models against experimental EXAFS spectra. To showcase its application, Ce-doped fluorapatite [Ca10(PO4)6F2] is revisited as a representative of a material difficult to analyze by conventional multi-shell least-squares fitting of EXAFS spectra. The software is open source and publicly available.
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