| Issue |
Europhys. Lett.
Volume 42, Number 3, May I 1998
|
|
|---|---|---|
| Page(s) | 295 - 300 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1998-00245-y | |
| Published online | 01 September 2002 | |
Theoretical and experimental investigations
on the magnetic EXAFS at the K- and 
-edges of
bcc-Fe
1
Institut für Physikalische Chemie,
Universität München, Theresienstr. 37,
D-80333 München, Germany
2
Lehrstuhl für Experimentalphysik IV,
Universität Würzburg,
Am Hubland, D-97074 Würzburg, Germany
3
Institüt für Experimentalphysik,
Freie Universität Berlin, Arnimallee 14,
D-14195 Berlin, Germany
Received:
15
December
1997
Accepted:
13
March
1998
A fully relativistic theoretical description
of magnetic EXAFS (MEXAFS) is presented that has been set up
in the framework of relativistic multiple-scattering theory
on the basis of the Dirac equation
for spin-polarised, magnetic solids.
This approach is applied to supply
a detailed interpretation of
new and very accurate experimental data for the
K- and -edges of bcc-Fe that have been recorded
for photon energies up to 600 eV above the
Fermi level.
In particular it is demonstrated that the MEXAFS spectra
can be interpreted on the basis of the
so-called sum rules.
PACS: 71.15.Rf – Relativistic effects / 75.10.Lp – Band and itinerant models / 78.70.Dm – X-ray absorption spectra
© EDP Sciences, 1998
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