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Abstract <p>Highly Cr-substituted barium hexaferrite (BaFe<sub>12–<i>x</i></sub>Cr<sub><i>x</i></sub>O<sub>19</sub>, <i>x</i>&#xa0;=&#xa0;5, 6, 7) is prepared by the solid-phase synthesis at the isothermal temperatures of 1400&#xa0;°C, 1500&#xa0;°C, and 1600&#xa0;°C. The optimal synthesis temperatures are determined from the obtained powder XRD and electron microscopy data. Correlations are established between chemical composition and synthesis temperature on the one hand and unit cell parameters, particle size, Curie temperature, and electrical resistivity on the other hand.</p>

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Influence of the Synthesis Temperature on the Structure and Properties of Highly Cr-Substituted Barium Hexaferrite

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • D. P. Sherstyuk,
  • A. I. Kovalev,
  • A. R. Zykova,
  • V. E. Zhivulin,
  • D. E. Zhivulin,
  • D. A. Vinnik

摘要

Abstract

Highly Cr-substituted barium hexaferrite (BaFe12–xCrxO19, x = 5, 6, 7) is prepared by the solid-phase synthesis at the isothermal temperatures of 1400 °C, 1500 °C, and 1600 °C. The optimal synthesis temperatures are determined from the obtained powder XRD and electron microscopy data. Correlations are established between chemical composition and synthesis temperature on the one hand and unit cell parameters, particle size, Curie temperature, and electrical resistivity on the other hand.