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Abstract— <p>In this paper, we report the technique used to measure the relative permittivity (ε<sub>r</sub>) of M200VNP and M1000NN nickel–zinc ferrites in the frequency range 1–100 kHz and the results obtained. At frequencies below 50 kHz, the ferrites exhibit interfacial polarization and, as a result, they have an anomalously high ε<sub>r</sub>. At higher frequencies, their ε<sub>r</sub> decreases to a constant level near 12.</p>

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Frequency-Dependent Dielectric Permittivity of Nickel–Zinc Ferrites

  • 期刊论文

  • 发表日期：

    2025年10月28日

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  • V. E. Patrakov,
  • S. N. Rukin

摘要

Abstract—

In this paper, we report the technique used to measure the relative permittivity (εr) of M200VNP and M1000NN nickel–zinc ferrites in the frequency range 1–100 kHz and the results obtained. At frequencies below 50 kHz, the ferrites exhibit interfacial polarization and, as a result, they have an anomalously high εr. At higher frequencies, their εr decreases to a constant level near 12.