Magnetic hyperthermia in solid magnetic colloids

We present results of theoretical study of magnetic hyperthermia in systems of single-domain ferromagnetic particles homogeneously distributed in a solid matrix. The heat effect is induced by linearly polarized alternating magnetic field. The effect of magnetic interaction between the particles as w...

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Bibliographic Details
Published inPhysica A Vol. 467; pp. 59 - 66
Main Authors Zubarev, A.Yu, Iskakova, L.Yu, Abu-Bakr, A.F.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.02.2017
Subjects
Hyperthermia effect
Magnetic nanoparticles
Hyperthermia effect
Magnetic nanoparticles
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Summary:We present results of theoretical study of magnetic hyperthermia in systems of single-domain ferromagnetic particles homogeneously distributed in a solid matrix. The heat effect is induced by linearly polarized alternating magnetic field. The effect of magnetic interaction between the particles as well as influence of orientation of the particles magnetic axes are in a focus of our consideration. Analysis shows that the interparticle interaction increases intensity of the heat production. The thermal effect in the systems with parallel orientation of the particles axes of easy magnetization is significantly higher than that in the case of random orientation of these axes. •Magnetic hyperthermia in a system of ferromagnetic particles in a solid matrix is studied•Magnetic interaction between the particles significantly enhances the hyperthermia effect.•The ordering of the particles axes of easy magnetization enhances the thermal effect.
ISSN:0378-4371
1873-2119
DOI:10.1016/j.physa.2016.10.045