Abstract
On the basis of a deterministic electrodynamic model, a probabilistic model of microwave ferromagnetic resonance (FMR) in 3D magnetic nanocomposites based on opal matrices has been developed assuming that the FMR magnetic field of each of the magnetic nanoparticles (MNPs) is a random variable distributed according to the normal law. The results of calculating the values of the mathematical expectation of random values of the real and imaginary parts of the diagonal and off-diagonal components of the effective permeability tensor of a 3D magnetic nanocomposite are obtained depending on the strength of the bias field for several values of the dissipation parameter of MNPs at different values of the standard deviation of the random value of the FMR magnetic field of the nanoparticles at frequency f = 26 GHz. The results are compared with the experiment.
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Translated by N. Wadhwa
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Makeeva, G.S. Probabilistic Model and Electrodynamic Analysis of Resonant Interaction of Microwave Radiation with 3D Magnetic Nanocomposites. Tech. Phys. 68, 236–244 (2023). https://doi.org/10.1134/S1063784223700135
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DOI: https://doi.org/10.1134/S1063784223700135