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Spin reorientation via antiferromagnetic coupling
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Material Physics, MF.
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2014 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 115, no 17, 4852076- p.Article in journal (Refereed) Published
Abstract [en]

Spin reorientation in antiferromagnetically coupled (AFC) Co/Pd multilayers, wherein the thickness of the constituent Co layers was varied, was studied. AFC-Co/Pd multilayers were observed to have perpendicular magnetic anisotropy even for a Co sublayer thickness of 1 nm, much larger than what is usually observed in systems without antiferromagnetic coupling. When similar multilayer structures were prepared without antiferromagnetic coupling, this effect was not observed. The results indicate that the additional anisotropy energy contribution arising from the antiferromagnetic coupling, which is estimated to be around 6 × 106 ergs/cm3, induces the spin-reorientation.

Place, publisher, year, edition, pages
2014. Vol. 115, no 17, 4852076- p.
Keyword [en]
Perpendicular Magnetic-Anisotropy, Recording Media, Co/Pt Multilayers, Domain-Structure, Patterned Media, Films, Reversal, Coercivity, Energy, PD/CO
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Other Physics Topics
URN: urn:nbn:se:kth:diva-142300DOI: 10.1063/1.4852076ISI: 000335643700294ScopusID: 2-s2.0-84893092695OAI: diva2:703164

QC 20140305

Available from: 2014-03-05 Created: 2014-02-28 Last updated: 2014-06-10Bibliographically approved

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Åkerman, Johan
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