Abstract
The above-vacuum-threshold electronic structure of ultrathin Co films on W(110) is studied for coverages from 1 monoatomic layer (ML) upward. For n ML, the spin-dependent layer-projected local density of states (LDOS) for k= 0, which is calculated by a relativistic Green function method, exhibits over the energy range of each bulk band n exchange-split pairs of majority and minority spin peaks. Calculated spin-polarized low-energy electron diffraction (SPLEED) specular beam spectra for normal incidence have minima exactly at the energies of LDOS maxima of Λ 1 symmetry. Good overall agreement is found with experimental SPLEED spectra obtained from single domains by spin-polarized low-energy electron microscopy.
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