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In the pseudobinary system In3Ti2AO10–In6Ti6BO22 (A: trivalent cation; B: divalent cation) both A and B have coordination number CN = 5 (trigonobipyramidal sites). In this work, this system was studied by means of the high-entropy ceramicsHigh entropy ceramics approach. The compound In12Ti10AlGaMg0.5Zn0.5O42 was obtained by the solid-state reaction method, and its phase stability in the 1300–1400 °C range of temperatures was evaluated. XRD and SEM facilities were used to characterize the present phases. EDS with elemental mapping analysis was used to demonstrate the configurational high-entropy dimension. Samples of 120 mg were pelletized and sintered in high alumina crucibles, and silver painted as capacitors-like to make dielectricDielectric measurements from room temperature to 550 °C in the frequency range of 10–1000 kHz, and their results are compared with closely related compounds.

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Monoclinic Phase Stabilization with the High-Entropy Ceramics Approach in the Pseudobinary System In3Ti2AO10–In6Ti6BO22 (A: Al, Ga; B: Mg, Zn)

  • 会议论文

  • 发表日期：

    2025年

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  • Victor Emmanuel Alvarez-Montano,
  • Subhash Sharma,
  • Miguel Olivas-Martínez,
  • Francisco Brown,
  • Ofelia Hernández-Negrete,
  • Javier Hernández-Paredes,
  • Alejandro Durán

摘要

In the pseudobinary system In3Ti2AO10–In6Ti6BO22 (A: trivalent cation; B: divalent cation) both A and B have coordination number CN = 5 (trigonobipyramidal sites). In this work, this system was studied by means of the high-entropy ceramicsHigh entropy ceramics approach. The compound In12Ti10AlGaMg0.5Zn0.5O42 was obtained by the solid-state reaction method, and its phase stability in the 1300–1400 °C range of temperatures was evaluated. XRD and SEM facilities were used to characterize the present phases. EDS with elemental mapping analysis was used to demonstrate the configurational high-entropy dimension. Samples of 120 mg were pelletized and sintered in high alumina crucibles, and silver painted as capacitors-like to make dielectricDielectric measurements from room temperature to 550 °C in the frequency range of 10–1000 kHz, and their results are compared with closely related compounds.