Noncollinear magnetism caused by intermixing at ferromagnetic/antiferromagnetic interfaces
- 30 November 2006
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 74 (18), 184435
- https://doi.org/10.1103/physrevb.74.184435
Abstract
Fe-Cr alloy layers on Fe(001) substrates with different atomic environments are theoretically investigated through a self-consistent real-space tight-binding method parametrized to density functional theory and without collinear restriction for the spin directions. We show that the intermixing at the interface, experimentally observed at the first stages of the Cr growth on Fe, originates noncollinear magnetic arrangements within the system and even induces magnetic walls in the Fe layer with a magnetic domain close to the interface. A different behavior is shown if steps are present at the interface; i.e., noncollinear magnetism becomes more localized and the induced magnetic wall in Fe vanishes.
Keywords
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