Physics – Condensed Matter – Materials Science
Scientific paper
2002-01-22
Physics
Condensed Matter
Materials Science
32 pages (LaTeX), 5 figures (Encapsulated PostScript), submitted to Phys. Rev. B
Scientific paper
10.1103/PhysRevB.65.144448
Based on Luttinger's formulation the complex optical conductivity tensor is calculated within the framework of the spin-polarized relativistic screened Korringa-Kohn-Rostoker method for layered systems by means of a contour integration technique. For polar geometry and normal incidence ab-initio Kerr spectra of multilayer systems are then obtained by including via a 2x2 matrix technique all multiple reflections between layers and optical interferences in the layers. Applications to Co|Pt5 and Pt3|Co|Pt5 on the top of a semi-infinite fcc-Pt(111) bulk substrate show good qualitative agreement with the experimental spectra, but differ from those obtained by applying the commonly used two-media approach.
Szunyogh László
Vernes A.
Weinberger Peter
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