Ferromagnetic and spin-wave resonance in trilayer exchange-coupled structures NiFe/Cu/NiFe

SWR spectra of exchange-coupled NiFe/Cu/NiFe structures were investigated. We found that the optical satellites of exchange spin-wave modes are characterized not by the standard Kittel dependence but by their own dependence of the resonance field on the mode number: H r opt ( n ) ∼ n 5/2 .

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2011-02, Vol.75 (2), p.181-183
Main Authors: Iskhakov, R. S., Stolyar, S. V., Chekanova, L. A., Yakovchuk, V. Yu, Chizhik, M. V.
Format: Article
Language:English
Subjects:
Exchanging
Ferromagnetic resonance
Ferromagnetism
Hadrons
Heavy Ions
Intermetallic compounds
Iron compounds
Nickel compounds
Nuclear Physics
Physics
Physics and Astronomy
Proceedings of the XXI International Conference “New in Magnetism and Magnetic Materials”
Satellites
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Summary:SWR spectra of exchange-coupled NiFe/Cu/NiFe structures were investigated. We found that the optical satellites of exchange spin-wave modes are characterized not by the standard Kittel dependence but by their own dependence of the resonance field on the mode number: H r opt ( n ) ∼ n 5/2 .
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873811020134