Abstract
(111)-oriented metallic overlayers of Cu, Au, Pd, and Pt with thicknesses up to 3 atomic layers (AL) on Fe(110) or Co(0001) show evidence for d-like quantum-well (QW) states in spin-resolved photoemission spectroscopy. The noble-metal d-like QW states are not spin polarized and are well below the Fermi level. In contrast, the d-like QW states of Pd and Pt approach the Fermi level for about 3 AL, but are spin polarized only for the first AL. Thus both types of QW states do not mediate the antiferromagnetic interlayer exchange coupling in corresponding (111)-oriented magnetic multilayers.
- Received 27 August 1993
DOI:https://doi.org/10.1103/PhysRevB.48.16837
©1993 American Physical Society