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Publication
Physical Review B
Paper
Submonolayers of adsorbates on stepped Co/Cu(100): Switching of the easy axis
Abstract
We report a striking sensitivity of the easy magnetization axis in epitaxial Co films upon adsorption of submonolayers of Cu, Ag, Fe, and O if the Cu substrate is a stepped surface slightly miscut from the (100) orientation. All adsorbates cause a switch of the easy axis by 90°within the plane. The key role of this switching phenomenon is played by the atoms at the step sites and their influence on the magnetic surface anisotropy. © 1995 The American Physical Society.