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Ferromagnetic resonance and interlayer exchange coupling in magnetic multilayers with compositional gradients
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics. NAS of Ukraine, Ukraine.ORCID iD: 0000-0001-5028-8928
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics. NAS of Ukraine, Ukraine.
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics.
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2017 (English)In: AIP Advances, ISSN 2158-3226, E-ISSN 2158-3226, Vol. 7, no 5, article id 056307Article in journal (Refereed) Published
Abstract [en]

Ferromagnetic resonance (FMR) in magnetic multilayers of type F1/f/F2, where two strongly ferromagnetic layers F1 and F2 are separated by a weakly magnetic spacer f with a compositional gradient along its thickness, is investigated. The method allows to detect the weak signal from the spacer in additional to the more pronounced and readily measured signal from the outer strongly-magnetic layers, and thereby study the properties of the spacer as well as the interlayer exchange interaction it mediates. Variable temperature FMR measurements, especially near the relevant Curie points, reveal a rich set of properties of the exchange interactions in the system. The obtained results are useful for designing and optimizing nanostructures with thermally-controlled magnetic properties.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2017. Vol. 7, no 5, article id 056307
Keywords [en]
Exchange interactions, Ferromagnetic materials, Ferromagnetic resonance, Ferromagnetism, Magnetism, Multilayers, Compositional gradients, Ferromagnetic layers, Ferromagnetic resonance (FMR), Interlayer exchange coupling, Interlayer exchange interactions, Magnetic layers, Measured signals, Variable temperature
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-200847DOI: 10.1063/1.4974282ISI: 000402797100246Scopus ID: 2-s2.0-85009483750OAI: oai:DiVA.org:kth-200847DiVA, id: diva2:1072086
Funder
Swedish Research Council, 2014-4548
Note

QC 20170207

Available from: 2017-02-07 Created: 2017-02-03 Last updated: 2017-11-29Bibliographically approved

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Polishchuk, Dmytro M.Kravets, Anatolii F.Tykhonenko-Polishchuk, Yu.O.Korenivski, Vladislav
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