XAFS


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XAFS

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The distribution of elements of interest across a section of a micropore in impregnated samples was measured by LA-ICP-MS and compared with XANES and XAFS data of the same section.
Newville M (2001) 1FEFF1T: interactive XAFS analysis and FEFF fitting.
Figure 3 shows the XEOL and the S K-edge (1 s threshold) optical XAFS of a soft-template (dendrimer)-anchored CdS QD.
FEFF calculations of the XAFS of metals are generally valid 30 eV or more above an edge (26), but the Hedin-Lundqvist plasmonpole self energy used tends to overestimate losses at low energies leading to theoretical oscillations which underestimate the experiment.
One promising way to implement this would be to use atomic RTDLDA matrix elements and the XAFS from FEFF (1).
The analysis of the XAFS and DAFS data enabled the development of a microscopic model that describes the local atomic distortions in strained films that is based on the random cluster approximation and the Keating valence force field within the context of macroscopic elastic theory (21).
The code yields scattering amplitudes and phases used in many modern XAFS analysis codes.
To overcome this problem we performed theoretical XAFS calculations for different models and compared the calculated result to the experimental spectra.