Blinov Z. N.1, Kotov L. N.1, Ustugov V. A.
1, Zavarin D. V.1, Kovalev P. D.1, Kalinin Yu. E.2, Sitnikov A. V.2
1Syktyvkar State University, Syktyvkar, Russia
2Voronezh State Technical University, Voronezh, Russia
Email: blinovzosim@gmail.com
The concentration dependences of the resonant field and the width of the ferromagnetic resonance line (FMR) are obtained at different angles φ between the direction of the magnetic field and the plane of the films for two series of composite films CoFeB/SiO2 obtained under different spraying conditions. The films of the first series had a mainly granular structure, while the films of the second series had a granular-percolation structure, which, at high concentrations of metals x, included a strip magneto-metal structure. It is shown that the resonance field for films of both series decreases with increasing concentrations of x. The resonant field and the width of the FMR line increase with increasing angle φ for films of both series with different structures. It is demonstrated that the FMR method is a structurally sensitive method for studying composite films. Keywords: Composite metal-dielectric films, ferromagnetic resonance, structure.
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