Limitations of the two-media approach in calculating magneto-optical properties of layered systems

Details Limitations of the two-media approach in calculating magneto-optical properties of layered systems Limitations of the two-media approach in calculating magneto-optical properties of layered systems

2002-11-14

arxiv.org/abs/cond-mat/0211272v1

Physics

Condensed Matter

Materials Science

16 pages (LaTeX), 4 figures (Encapsulated PostScript), appears in Phys. Rev. B 66, 1744XX (2002)

Scientific paper

10.1103/PhysRevB.66.214404

It is shown that in polar geometry and normal incidence the 2x2 matrix technique - as discussed in detail in a preceeding paper [Phys. Rev. B 65, 144448 (2002)] - accounts correctly for multiple reflections and optical interferences, and reduces only in the case of a periodic sequence of identical layers to the Fresnel formula of reflectivity, which in turn is the theoretical basis of the two-media approach, widely used in the literature to compute magneto-optical Kerr spectra. As a numerical example ab-initio calculations of the optical constants for an fcc Pt semi-infinite bulk using the spin-polarized relativistic screened Korringa-Kohn-Rostoker method show very good agreement with experimental data.

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