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This work addresses the issue of time-domain dielectric spectroscopy (TDS) applied to ferrofluid samples. These samples are created using a transformer oil formulated on a Gas-To-Liquid basis, where this oil forms the carrier liquid of the ferrofluid. Samples with different concentrations of Fe3O4 nanoparticles ranging from 0.05% to 2.0% were monitored. Polarization current waveforms were made from measurements at two voltage levels 100V and 1000V. From the results, increased conductivity values at high concentrations as well as polarization processes at the lowest concentrations were observed.

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Time Domain Spectroscopy of Ferrofluid Based on GTL Oil

  • 会议论文

  • 发表日期：

    2025年

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  • Samuel Bucko,
  • Peter Havran,
  • Jozef Király,
  • Jarosław Wiśniowski

摘要

This work addresses the issue of time-domain dielectric spectroscopy (TDS) applied to ferrofluid samples. These samples are created using a transformer oil formulated on a Gas-To-Liquid basis, where this oil forms the carrier liquid of the ferrofluid. Samples with different concentrations of Fe3O4 nanoparticles ranging from 0.05% to 2.0% were monitored. Polarization current waveforms were made from measurements at two voltage levels 100V and 1000V. From the results, increased conductivity values at high concentrations as well as polarization processes at the lowest concentrations were observed.