Abstract

Measurements of the complex magnetic susceptibility at resonance are used for an experimental study of the anisotropy field of particles within a composite magnetic fluid and to demonstrate the validity of the superposition principle, which states that the susceptibility of a mixed sample is the average of the susceptibility of its individual components. Three samples of kerosene-based magnetic fluids, namely S1, S2, and S3 were investigated. Sample S1 consisted of Ni 0.4Zn 0.6Fe 2O 4 particles, sample S2 consisted of Mn 0.6Fe 0.4Fe 2O 4 particles, and sample S3 was obtained by mixing S1 and S2 in a 1:1 proportion.

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