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Noncollinear magnetism caused by intermixing at ferromagnetic/antiferromagnetic interfaces
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics. (Theoretical Magnetism)
2006 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 74, no 18, 184435- p.Article in journal (Refereed) Published
Abstract [en]

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 Cr/Fe 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.

Place, publisher, year, edition, pages
2006. Vol. 74, no 18, 184435- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-20824DOI: 10.1103/PhysRevB.74.184435ISI: 000242409100081OAI: oai:DiVA.org:uu-20824DiVA: diva2:48597
Available from: 2006-12-12 Created: 2006-12-12 Last updated: 2011-05-05Bibliographically approved

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Robles, Roberto
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