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Thermally induced antiferromagnetic exchange in magnetic multilayers
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics.ORCID iD: 0000-0001-5028-8928
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics. National Academy of Sciences of Ukraine, Ukraine.
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics. National Academy of Sciences of Ukraine, Ukraine.
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2017 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 96, no 10, article id 104427Article in journal (Refereed) Published
Abstract [en]

We demonstrate sharp thermally induced switching between ferromagnetic and antiferromagnetic RKKY ( Ruderman-Kittel-Kasuya-Yosida) exchange in a spin-valve with the spacer incorporating a thin diluted ferromagnetic layer as the core. We illustrate the mechanism behind the effect as being due to a change in the effective thickness of the spacer induced by the Curie transition into its paramagnetic state. The ability to switch between ferromagnetic and antiferromagnetic states in a magnetic multilayer by a slight change in temperature may lead to new types of spin-thermoelectronic devices for use in such applications as memory or oscillators.

Place, publisher, year, edition, pages
AMER PHYSICAL SOC , 2017. Vol. 96, no 10, article id 104427
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Condensed Matter Physics
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URN: urn:nbn:se:kth:diva-215448DOI: 10.1103/PhysRevB.96.104427ISI: 000411320900002Scopus ID: 2-s2.0-85029945218OAI: oai:DiVA.org:kth-215448DiVA, id: diva2:1150671
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QC 20171019

Available from: 2017-10-19 Created: 2017-10-19 Last updated: 2017-11-29Bibliographically approved

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Polishchuk, DmytrHolmgren, ErikKravets, AnatoliiKorenivski, Vladislav

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Polishchuk, DmytrTykhonenko-Polishchuk, Yu. O.Holmgren, ErikKravets, AnatoliiKorenivski, Vladislav
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Nanostructure Physics
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Physical Review B
Condensed Matter Physics

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