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<p>Magnetodielectric composites <sub><i>x</i></sub>Pb<sub>0.8</sub>Nd<sub>0.2</sub>(Zr<sub>0.52</sub>Ti<sub>0.48</sub>)O<sub>3</sub>-<sub>1-<i>x</i></sub>SrFe<sub>12</sub>O<sub>19</sub> (<i>x</i> = 0.50, 0.52, 0.54, 0.56, 0.58) have been reported. Structural phase analysis confirmed successful synthesis of reported ceramic composites. Magnetic hysteresis reveals magnetic ordering in prepared composites whereas micrographs strongly support dielectric permittivity. All prepared composites exhibit high values of dielectric constant. Strong magnetodielectric response (MDR) is observed in low frequency region which goes on decreasing with frequency, indicating Maxwell-Wagner interfacial phenomenon in the studied composites. The MDR extends to higher frequency range (&gt;100&#xa0;kHz) signifying strain mediated mechanical coupling between ferrite and dielectric phases which is calculated in terms of the coupling coefficient (γ). </p>

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Exploration on magnetic, dielectric and magnetodielectric properties of PNZT-strontium hexaferrite composites

  • 期刊论文

  • 发表日期：

    2025年7月30日

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  • Gurpreet Singh,
  • Harjeet Kaur,
  • Sajan Masih,
  • Arshdeep Kaur,
  • Shiffali Middha,
  • Sunil Kumar,
  • Jasvir Singh,
  • Jahangeer Ahmed,
  • Javier Lopez Garcia,
  • Satvir Singh,
  • Nitin Tandon,
  • Indu Sharma,
  • Anupinder Singh

摘要

Magnetodielectric composites xPb0.8Nd0.2(Zr0.52Ti0.48)O3-1-xSrFe12O19 (x = 0.50, 0.52, 0.54, 0.56, 0.58) have been reported. Structural phase analysis confirmed successful synthesis of reported ceramic composites. Magnetic hysteresis reveals magnetic ordering in prepared composites whereas micrographs strongly support dielectric permittivity. All prepared composites exhibit high values of dielectric constant. Strong magnetodielectric response (MDR) is observed in low frequency region which goes on decreasing with frequency, indicating Maxwell-Wagner interfacial phenomenon in the studied composites. The MDR extends to higher frequency range (>100 kHz) signifying strain mediated mechanical coupling between ferrite and dielectric phases which is calculated in terms of the coupling coefficient (γ).