Effect of Magnetic Fields on the Microwave Impedance of FeCoB + SiO2 Composite Films.

Authors :: Kotov, L. N.
Lasek, M. P.
Vlasov, V. S.
Utkin, A. A.
Kalinin, Yu. E.
Sitnikov, A. V.
Temnov, V. V.
Source :: Bulletin of the Russian Academy of Sciences: Physics; May2022, Vol. 86 Issue 5, p588-591, 4p
Publication Year :: 2022
Abstract: Microwave magnetic impedance spectra are obtained for (x = 0.46–0.88) films in a DC magnetic field of 0‒0.7 T. The modulus of microwave impedance in films with x = 0.76 is found to fall by as much as 6% upon magnetization. The maximum negative microwave magnetic impedance of the films is established along with its shift from 2.2 to 0.4 GHz as x rises. A striped magnetic structure with oppositely directed magnetizations of neighboring stripes is observed. [ABSTRACT FROM AUTHOR]

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