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Remote control of the Fe magnetic moment in magnetic heterostructures
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics.
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2007 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 79, no 3, 37003- p.Article in journal (Refereed) Published
Abstract [en]

In magnetic superlattices with interlayer exchange coupling, not only the coupling strength but also the magnetic moment of the ferromagnetic layer can be altered non-locally by modifying the electronic structure of the non-magnetic spacer layer. Specifically, changes of the electronic structure of the V spacer layers in Fe/V (001) superlattices are seen to affect the adjacent Fe layers. By reversibly loading the V layer with hydrogen, the magnetic moment of Fe increases, whereas the induced magnetic moment in V remains unchanged. The nature of this remote and non-local control of the magnetic moment is connected with a d-electron charge transfer and effective shift of the Fermi level relative to the d-bands of Fe and V, as elucidated on the basis of self-consistent electronic structure calculations.

Place, publisher, year, edition, pages
2007. Vol. 79, no 3, 37003- p.
National Category
Physical Sciences
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URN: urn:nbn:se:uu:diva-11643DOI: 10.1209/0295-5075/79/37003ISI: 000248979900017OAI: oai:DiVA.org:uu-11643DiVA: diva2:39412
Available from: 2007-10-09 Created: 2007-10-09 Last updated: 2017-12-11Bibliographically approved

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Björck, MattsPärnaste, MartinHjörvarsson, Björgvin

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