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<p>The current research focuses on the fabrication of polymer-ceramic composite materials by the solution casting process of multi-faceted titanium ferrite, TiFe<sub>2</sub>O<sub>4</sub> (TFO). We experimented with different proportions of TFO composition, ranging from 5 to 15 wt%, in the polymer matrix of PVDF. Various characterization methods were employed to study the mechanical, spectroscopic, morphological, and dielectric properties affected by TFO load. X-ray diffraction (XRD) was used to identify both non-polar alpha- and polar beta-phases in the composites. Samples from scanning electron microscopy (SEM) revealed a spherulite-like morphology and uniform distribution of TFO particles. Our main goal was to increase the ferroelectric properties of the polyvinyl-HFP by increasing the percentage of TFO filler to increase the β-fraction. The enhanced attributes of our materials hint at potential applications in polymer-ceramic capacitor technology, a topic we delve into extensively.</p>

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Examining dielectric constant improvement techniques for ferroelectric applications using PVDF-HFP/TFO composite films

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月11日

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  • Ramakant M. Choudhari,
  • Nitin A. Kharche,
  • Santosh R. Shekokar,
  • Yugesh A. Kharche,
  • Dipak P. Kharat,
  • Sachin H. Choudhari,
  • Nithesh Bhaskar N,
  • Mohan Kumar G R,
  • C. Durga Prasad,
  • H. V. Moulya,
  • C. Hemanth Kumar,
  • Adem Abdirkadir Aden

摘要

The current research focuses on the fabrication of polymer-ceramic composite materials by the solution casting process of multi-faceted titanium ferrite, TiFe2O4 (TFO). We experimented with different proportions of TFO composition, ranging from 5 to 15 wt%, in the polymer matrix of PVDF. Various characterization methods were employed to study the mechanical, spectroscopic, morphological, and dielectric properties affected by TFO load. X-ray diffraction (XRD) was used to identify both non-polar alpha- and polar beta-phases in the composites. Samples from scanning electron microscopy (SEM) revealed a spherulite-like morphology and uniform distribution of TFO particles. Our main goal was to increase the ferroelectric properties of the polyvinyl-HFP by increasing the percentage of TFO filler to increase the β-fraction. The enhanced attributes of our materials hint at potential applications in polymer-ceramic capacitor technology, a topic we delve into extensively.