1998
DOI: 10.1209/epl/i1998-00245-y
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Theoretical and experimental investigations on the magnetic EXAFS at the K - and L 2,3 -edges of bcc-Fe

Abstract: 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 L2,3-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 c… Show more

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Cited by 15 publications
(12 citation statements)
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“…1) agree much better with the experimental data in comparison with the previously published results [35]. At the same time, the Fe K-XANES of bcc iron calculated in [36] is close to the results of the present study. In Fig.…”
Section: Resultssupporting
confidence: 91%
“…1) agree much better with the experimental data in comparison with the previously published results [35]. At the same time, the Fe K-XANES of bcc iron calculated in [36] is close to the results of the present study. In Fig.…”
Section: Resultssupporting
confidence: 91%
“…These and subsequent works have proposed a magneto-optical sum rule connecting the K-edge XMCD with the p-projected orbital magnetization density of unoccupied states. [19][20][21][22][23][24][25] The above cited analysis indicates that the relationship between the Fe K-edge XMCD spectra and the local magnetic moments is limited to the orbital magnetization. However, a definitive answer about the origin of the XMCD spectrum at the K edge is still missing.…”
Section: Introductionmentioning
confidence: 99%
“…12,13 It turned out that sign, amplitude and general form of the XMCD signal agreed reasonably well with experiment. Ebert et al 16 applied a fully relativistic description of MEXAFS to data of the L 2,3 -edges of bcc-Fe taken at the second generation synchrotron BESSYI. In this analysis a discrepancy was noted between theoretical and experimental spectra.…”
Section: Introductionmentioning
confidence: 99%