Abstract
A fully relativistic calculation of spin-resolved valence-band photoemission spectra for bcc ${\mathrm{Fe}}_{x}{\mathrm{Co}}_{1\ensuremath{-}x}$ alloys is presented that is based on the Korringa-Kohn-Rostoker coherent-potential approximation method of band-structure calculation. The result for the spin-integrated spectra for unpolarized radiation was found to be in very satisfying agreement with corresponding experimental data. For the spin-resolved spectra a pronounced magnetic circular dichroism is predicted that should be observable in a corresponding experiment.
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