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Abstract <p>The temperature dependence of the electrical conductivity of composites based on magnetic particles and bentonite has been systematically investigated. The results indicate that the activation energy of charge carriers is strongly dependent on the particle sizes of the composites based on bentonite and magnetic particles. That behavior is attributed to quantum size effects within the particles. Furthermore, the influence of the magnetic particle size on the magnitude of magnetoresistance and the value of magnetic permeability in the studied samples has been established.</p>

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Study of the Dependence of Electrical Conductivity and Magnetoresistance on Temperature and Particle Sizes of Composites Based on Magnetic Particles and Bentonite

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • S. R. Imanova,
  • A. R. Gasimova

摘要

Abstract

The temperature dependence of the electrical conductivity of composites based on magnetic particles and bentonite has been systematically investigated. The results indicate that the activation energy of charge carriers is strongly dependent on the particle sizes of the composites based on bentonite and magnetic particles. That behavior is attributed to quantum size effects within the particles. Furthermore, the influence of the magnetic particle size on the magnitude of magnetoresistance and the value of magnetic permeability in the studied samples has been established.