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Forcing Ferromagnetic Coupling Between Rare-Earth-Metal and 3d Ferromagnetic Films
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
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2010 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 104, no 15, 156402- p.Article in journal (Refereed) Published
Abstract [en]

Using density functional calculations, we have studied the magnetic properties of nanocomposites composed of rare-earth-metal elements in contact with 3d transition metals (Fe and Cr). We demonstrate the possibility to obtain huge magnetic moments in such nanocomposites, of order 10 mu(B)/rare-earth-metal atom, with a potential to reach the maximum magnetic moment of Fe-Co alloys at the top of the so-called Slater-Pauling curve. A first experimental proof of concept is given by thin-film synthesis of Fe/Gd and Fe/Cr/Gd nanocomposites, in combination with x-ray magnetic circular dichroism.

Place, publisher, year, edition, pages
2010. Vol. 104, no 15, 156402- p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-136336DOI: 10.1103/PhysRevLett.104.156402ISI: 000277001700029OAI: oai:DiVA.org:uu-136336DiVA: diva2:376798
Available from: 2010-12-13 Created: 2010-12-11 Last updated: 2017-12-11Bibliographically approved

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Sanyal, BiplabEriksson, Olle

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