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<p>Glass-ceramic composites based on low-alkali aluminoborosilicate glass and barium titanate mixed in various proportions were successfully synthesized using the sintering method in the vicinity of the softening point of the glass used. The electrical properties of the samples were investigated in the microwave range. According to XRD analysis, the synthesized materials are a mixture of barium titanate and an amorphous phase, as well as, under certain heat treatment conditions, products of glass crystallization (SiO<sub>2</sub> – quartz and tridymite) and its interaction with the ferroelectric filler (Ba<sub>2</sub>TiSi<sub>2</sub>O<sub>8</sub> – fresnoite). The level of dielectric permittivity of the studied glass composite samples, measured at a frequency of 1 GHz, ranged from 9.2 to 25.0 with a dielectric loss tangent of 0.007 – 0.012.</p>

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Glass-Ceramic Ferroelectric Composite Material Based on Low-Alkali Aluminoborosilicate Glass and BaTiO3

  • 期刊论文

  • 发表日期：

    2025年7月4日

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  • N. G. Tyurnina,
  • Z. G. Tyurnina,
  • O. Yu. Sinelshchikova,
  • E. A. Balabanova,
  • A. V. Tumarkin,
  • D. I. Tsygankova

摘要

Glass-ceramic composites based on low-alkali aluminoborosilicate glass and barium titanate mixed in various proportions were successfully synthesized using the sintering method in the vicinity of the softening point of the glass used. The electrical properties of the samples were investigated in the microwave range. According to XRD analysis, the synthesized materials are a mixture of barium titanate and an amorphous phase, as well as, under certain heat treatment conditions, products of glass crystallization (SiO2 – quartz and tridymite) and its interaction with the ferroelectric filler (Ba2TiSi2O8 – fresnoite). The level of dielectric permittivity of the studied glass composite samples, measured at a frequency of 1 GHz, ranged from 9.2 to 25.0 with a dielectric loss tangent of 0.007 – 0.012.