https://doi.org/10.1140/epjs/s11734-024-01375-0
Regular Article
Dynamic susceptibility and magneto-hyperthermic effect in magnetic composites
Department Mathematical and Theoretical Physics, Ural Federal University, 620083, Ekaterinburg, Russia
Received:
18
September
2024
Accepted:
17
October
2024
Published online:
18
November
2024
The paper deals with theoretical study of effect of interparticle interaction on the complex magnetic susceptibility and magneto-hyperthermic (MH) effect in a system of interacting single-domain ferromagnetic particles, immobilized in a non-magnetic medium. The aim of this analysis is theoretical explanation and modelling of non-monotonic (with maximum) dependence of components of dynamic susceptibility as well as the MH effect in magnetic composites on concentration of the embedded magnetic nanoparticles, which has been detected in computer and laboratory experiments. The obtained results can also explain qualitative contradictions between of various studies of influence of the interparticle interactions on the thermal effects (enhance either weakening) in nano-dispersed magnetic materials and biological tissues with embedded magnetic particles.
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