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<p>Composites of dysprosium substituted bismuth ferrite (BDFO) and lithium zinc ferrite (LZFO) having the formula (1-x)Bi<sub>0.95</sub>Dy<sub>0.05</sub>FeO<sub>3</sub>-(x)Li<sub>0.4</sub>Zn<sub>0.2</sub>Fe<sub>2.4</sub>O<sub>4</sub> ((1-x)BDFO-xLZFO) were successfully synthesized using conventional ceramic method. Phase identification was carried out using XRD and Rietveld refinement. Microstructural properties were studied using Scanning electron microscopy. The average particle sizes of the composites obtained using ImageJ software were found in the range of 189&#xa0;nm and 106&#xa0;nm which correspond to BDFO and LZFO, respectively. Study of dielectric constants and loss factor of the composites as a Function of frequency show dispersion. Hysteresis loop of the composites was taken. The parameters obtained were studied for different concentrations. Coercivity of the composites possessed a minimum value of 63.5 Oe, which is lower than either of the two parent phases and making it a potential candidate for soft ferrite applications.</p>

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Structural, dielectric and magnetic studies of perovskite-spinel nanocomposite

  • 期刊论文

  • 发表日期：

    2025年9月11日

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  • Ayekpam Kiranjit Singh,
  • Laishram Neeraj Singh,
  • Ibetombi Soibam

摘要

Composites of dysprosium substituted bismuth ferrite (BDFO) and lithium zinc ferrite (LZFO) having the formula (1-x)Bi0.95Dy0.05FeO3-(x)Li0.4Zn0.2Fe2.4O4 ((1-x)BDFO-xLZFO) were successfully synthesized using conventional ceramic method. Phase identification was carried out using XRD and Rietveld refinement. Microstructural properties were studied using Scanning electron microscopy. The average particle sizes of the composites obtained using ImageJ software were found in the range of 189 nm and 106 nm which correspond to BDFO and LZFO, respectively. Study of dielectric constants and loss factor of the composites as a Function of frequency show dispersion. Hysteresis loop of the composites was taken. The parameters obtained were studied for different concentrations. Coercivity of the composites possessed a minimum value of 63.5 Oe, which is lower than either of the two parent phases and making it a potential candidate for soft ferrite applications.