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Magnetic properties of FexCo1-x nanochains on Pt(111) surfaces
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
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2014 (English)In: Journal of Physics: Condensed Matter, ISSN 0953-8984, E-ISSN 1361-648X, Vol. 26, no 20, 206003- p.Article in journal (Refereed) Published
Abstract [en]

The magnetic properties of FexCo1-x nanochains on Pt(1 1 1) were studied using the first-principles real-space linear muffin-tin orbital-atomic sphere approximation (RS-LMTO-ASA) method within the density functional theory. The relative amounts of Fe and Co atoms in a chosen nanochain were varied and several possible arrangements of the atomic species were taken into account. The results of the exchange interaction demonstrates ferromagnetic coupling for the nanowires. Our calculations of Fe and Co average magnetic moments reveal a large enhancement of both spin and orbital moments compared to Fe-Co films deposited on a Pt(1 1 1) surface. The trend for the orbital moments with respect to stoichiometry differs from all previous higher-dimensional Fe-Co alloys on Pt(1 1 1) studies.

Place, publisher, year, edition, pages
2014. Vol. 26, no 20, 206003- p.
Keyword [en]
nanomagnetism, metallic nanostructures on surfaces, ab initio
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-227719DOI: 10.1088/0953-8984/26/20/206003ISI: 000336244900012OAI: oai:DiVA.org:uu-227719DiVA: diva2:731033
Available from: 2014-06-30 Created: 2014-06-30 Last updated: 2017-12-05Bibliographically approved

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Bergman, AndersEriksson, Olle

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