Abstract

Ferromagnetic resonance (FMR) modes in thin films with oblique anisotropy axis are investigated. In such films, the anisotropy axis is tilted from the normal with a tilt angle \ensuremath{\delta}. The equivalent magnetic field of such an anisotropy is derived. The mode position (resonant field) ${H}_{R},$ the linewidth $\ensuremath{\Delta}H,$ and the peak intensity have been calculated. The effect of the tilt angle on these parameters is discussed. The FMR modes of two coupled ferromagnetic thin films with oblique anisotropy axes have also been studied. Analytical expressions for the resonance condition have been found for strong ferromagnetic and antiferromagnetic coupling.

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