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Abstract <p>The synthesis of single-phase hexaferrite BaFe<sub>12–<i>x</i></sub>In<sub><i>x</i></sub>O<sub>19</sub>, in the crystal structure of which indium partially substitutes for iron (<i>x</i>&#xa0;=&#xa0;0–2.25), is described together with its crystal structure, chemical composition, and initial magnetic permeability. It is revealed that 1400&#xa0;°C is the optimal temperature to obtain indium-substituted barium ferrite. Studies of the temperature dependences of the initial magnetic permeability of these ferrites show that as the indium concentration increases, the Curie temperature monotonically decreases. Unit cell parameters of the obtained solid solutions monotonically increase with increasing indium concentration.</p>

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Study of the Structure and Initial Magnetic Permeability of Indium-Substituted Barium Hexaferrite BaFe12–xInxO19 (x = 0–2.25)

  • 期刊论文

  • 发表日期：

    2025年8月29日

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  • A. Yu. Punda,
  • V. E. Zhivulin,
  • S. A. Gudkova,
  • D. A. Vinnik

摘要

Abstract

The synthesis of single-phase hexaferrite BaFe12–xInxO19, in the crystal structure of which indium partially substitutes for iron (x = 0–2.25), is described together with its crystal structure, chemical composition, and initial magnetic permeability. It is revealed that 1400 °C is the optimal temperature to obtain indium-substituted barium ferrite. Studies of the temperature dependences of the initial magnetic permeability of these ferrites show that as the indium concentration increases, the Curie temperature monotonically decreases. Unit cell parameters of the obtained solid solutions monotonically increase with increasing indium concentration.