The effect of a neighboring metal layer on the high-frequency characteristics of a thin magnetic stripe

Journal article (2008)
Department
Delft Institute of Microelectronics and Submicron Technology (EEMCS) (TU Delft)
Copyright: © 2008 Vroubel, M.; Rejaei, B.; American Institute of Physics
DOI: https://doi.org/doi:10.1063/1.2937211
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Published Date

09-06-2008

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Source:

Journal of Applied Physics, 103 (11), 2008

Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Delft Institute of Microelectronics and Submicron Technology

Abstract

The spin-wave spectrum of a ferromagnetic stripe placed above a metallic layer with finite conductivity is studied by using the magnetostatic Green’s function formalism. It is shown that the frequency and linewidth of the resonances are uniquely determined by complex, mode-dependent demagnetization factors. The formalism developed is used to analyze the resonance characteristics of the magnetic stripe as a function of its width and separation from the metallic layer.

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