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Published on: May 22, 2020
Effect of interparticle interaction on magnetic hyperthermia: homogeneous spatial distribution of the particles
Ali Fathi Abu-Bakr1,2, Andrey Zubarev1,3
11 Department of Theoretical and Mathematical Physics, Ural Federal University , Lenin Ave, 51, Ekaterinburg 620083 , Russia.
Abstract:
The paper deals with the theoretical study of the effect of magnetic interparticle interaction on magnetic hyperthermia, produced by the particles under the action of a linearly polarized oscillating field. The particles are homogeneously distributed and immobilized in a rigid medium. The supposed size of the magnetite particles is about 20-30 nm. For these particles, the characteristic time of the Neel remagnetization is much longer than the time of observation. This is why we concluded that the dissipation occurs as a result of the particle magnetic moment oscillation in the pit of energy of magnetic anisotropy. This article is part of the theme issue 'Heterogeneous materials: metastable and non-ergodic internal structures'.
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