Scholarlink

Abstract <p>One of the main problems in the development of high-entropy perovskites is finding the compositions providing its high phase stability in combination with the improved physicochemical properties. Ceramic samples of the new modified high-entropy (6<i>A</i>)TiO<sub>3</sub> compositions with six cations in the <i>A</i> site (<i>A</i>&#xa0;=&#xa0;Bi, La, Eu, Sm, Dy, Ba, Sr, Ca, Na, K, Li) of the perovskite structure have been obtained by the solid-state synthesis. The effect of the composition and synthesis mode on features of the crystal structure parameters and coherent scattering regions has been studied. The formation of the cubic phases with a perovskite structure in the synthesized samples has been established. The lattice parameters and coherent scattering region sizes (3.924‒3.990 Å and 540‒1540 Å, respectively) have been calculated.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Synthesis and Characteristics of the Microstructure of (6A)TiO3 High-Entropy Titanate Ceramics with a Cubic Perovskite Structure

  • 期刊论文

  • 发表日期：

    2026年2月1日

查看全文
  • E. D. Politova,
  • G. M. Kaleva,
  • S. A. Ivanov

摘要

Abstract

One of the main problems in the development of high-entropy perovskites is finding the compositions providing its high phase stability in combination with the improved physicochemical properties. Ceramic samples of the new modified high-entropy (6A)TiO3 compositions with six cations in the A site (A = Bi, La, Eu, Sm, Dy, Ba, Sr, Ca, Na, K, Li) of the perovskite structure have been obtained by the solid-state synthesis. The effect of the composition and synthesis mode on features of the crystal structure parameters and coherent scattering regions has been studied. The formation of the cubic phases with a perovskite structure in the synthesized samples has been established. The lattice parameters and coherent scattering region sizes (3.924‒3.990 Å and 540‒1540 Å, respectively) have been calculated.