Peculiarity of the Ferromagnetic and Spin-Wave Resonance in Exchange-Coupled NiFe/X/NiFe Three Layer Structures (X=Ag, Cu, DyCo)

Rauf S. Iskhakov; S.V. Stolyar; V. Y. Yakovchuk; M. V. Chizhik

doi:10.4028/www.scientific.net/SSP.190.459

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HomeSolid State PhenomenaSolid State Phenomena Vol. 190Peculiarity of the Ferromagnetic and Spin-Wave...

Peculiarity of the Ferromagnetic and Spin-Wave Resonance in Exchange-Coupled NiFe/X/NiFe Three Layer Structures (X=Ag, Cu, DyCo)

Abstract:

FMR and SWR spectra of exchange-coupled structures NiFe/Cu/NiFe, NiFe/Ag/NiFe and NiFe/DyCo/NiFe have been investigated. We revealed that the optical satellites of the exchange spin-wave modes are characterized not by the standard Kittle-dependence but by their own resonance field dependence on the mode number: H_r^opt(n) ~ n^5/2.

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Periodical:

Solid State Phenomena (Volume 190)

Pages:

459-462

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.190.459

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Online since:

June 2012

Authors:

Rauf S. Iskhakov, S.V. Stolyar, V. Y. Yakovchuk, M. V. Chizhik

Keywords:

Acoustic Mode, Exchange Coupling, Ferromagnetic Resonance (FMR), Magnetic Films, Optic Mode, Sandwich, Spin-Wave Resonance

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