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Anisotropy of Magnetic Fluid Conductivity in Constant Magnetic Fields

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Abstract

The electrical conduction of a magnetic fluid (MF) on kerosene, stabilized by oleic acid, is investigated in an external magnetic field. The analysis of the current-voltage characteristics with electric and magnetic fields crossed at different angles showed a change in the conductivity of the magnetic fluid. In the case of the same orientation of the fields, the conductivity is maximal, while it is minimal for the orthogonal field orientation. The study of changes in the surface structure of the electrodes showed that the contact surface processes make a significant contribution to the conductivity anisotropy.

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Funding

The work was performed in the context of state assignment no. 3.5385.2017/8.9 under the Experimental Investigation and Mathematical Simulation of Interphase and Near-Surface Phenomena in the Thin Film of the Nanostructured Magnetic Fluid project (Russian Technological University).

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Authors and Affiliations

  1. Southwest State University, 305040, Kursk, Russia

    A. E. Kuz’ko

  2. Russian Technological University (Branch Campus), 355035, Stavropol, Russia

    V. S. Chekanov

  3. North-Caucasus Federal University, 355017, Stavropol, Russia

    V. S. Chekanov

Authors
  1. A. E. Kuz’ko
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  2. V. S. Chekanov
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Corresponding authors

Correspondence to A. E. Kuz’ko or V. S. Chekanov.

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The authors declare that they have no conflict of interest.

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Translated by M. Myshkina

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Kuz’ko, A.E., Chekanov, V.S. Anisotropy of Magnetic Fluid Conductivity in Constant Magnetic Fields. Surf. Engin. Appl.Electrochem. 56, 727–733 (2020). https://doi.org/10.3103/S1068375520060095

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  • DOI: https://doi.org/10.3103/S1068375520060095

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