Phys. Rev. B 52 (1995) pp. 3063-3066

Magnetism of Fe on Au(100) in the monolayer limit

S. De Rossi and F. Ciccacci

Istituto Nazionale di Fisica della Materia-Dipartimento di Fisica, Politecnico di Milano, piazza Leonardo da Vinci 32, I-20133 Milano, Italy

S. Crampin

School of Physics, University of Bath, BA2 7AY, United Kingdom

Abstract
We report a spin-resolved inverse photoemission study of the electronic structure of Fe/Au(100) thin films, concentrating on states at the center of the surface Brillouin zone and film thicknesses in the monolayer regime. We identify states with minority-spin character 0.7 eV above the Fermi level, confirming previous tentative assignments based upon spin-integrated studies. However, a feature previously assigned to a quantum-well state is found to be exchange split by only 200 meV, too small to originate from Fe-derived states, but in line with self-consistent band-structure calculations that predict an Au-derived interface state.