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Spin-resolved photoemission study of in situ grown epitaxial Fe layers on W(110)

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
60
Issue
10
Identifiers
DOI: 10.1016/0038-1098(86)90594-6
Disciplines
  • Physics

Abstract

Abstract Spin- and angle-resolved photoemission spectroscopy of in situ grown epitaxial Fe layers on W(110) shows bulk-like behavior for more than two atomic Fe layers. For about ten and more atomic layers of Fe we find a spin polarization to be about -100% near the Fermi energy and +80 % between 1 eV and 3 eV binding energy. For the bilayer of Fe drastic changes in the spin-resolved spectra and a 20 % enhancement of the spin polarization compared to the bulk value are observed. The monolayer of Fe is ferromagnetically ordered with a spin polarization reduced by about 50%. A switching of the easy magnetization axis from [001] to [11̄0] is observed in the spin polarization with decreasing Fe layer thickness near d = (65±5) Å.

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