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<p>In this study, we explored the effects of chromium substitution on the structural, dielectric, and magnetic characteristics of Ba<sub>0.92</sub>Sr<sub>0.08</sub>Ti<sub>1−x</sub>Cr<sub>x</sub>O<sub>3</sub> ceramics (where x = 0.00, 0.05, 0.10, 0.15, 0.20, and 0.25), which were synthesized using the solid-state reaction method. X-ray diffraction (XRD) analysis was used to determine the crystal structure and lattice parameters, while scanning electron microscopy (SEM) showed a decrease in grain size with increasing Cr concentration. Energy dispersive spectroscopy (EDS) confirmed the presence of Ba, Sr, Ti, O, and Cr elements. Dielectric measurements, including dielectric constant (ε<sub>r</sub>) and tangent loss (tanδ), were conducted for different concentrations at various frequencies. Additionally, the remnant polarization (M<sub>r</sub>) and coercive field (M<sub>c</sub>), measured from the M–H curve at room temperature, demonstrated improved values. Improving these characteristics is essential for the creation of devices based on barium strontium titanate in fields like energy storage and optoelectronics.</p>

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Optimizing Structural, Optical, and Magnetic Properties of Ba0.92Sr0.08Ti1−xCrxO3 Ceramics for Multifunctional Applications

  • 期刊论文

  • 发表日期：

    2025年11月5日

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  • Mikanshi Chaudhary,
  • Shilpi Jindal,
  • Sheela Devi,
  • Sukhdeep Kaur

摘要

In this study, we explored the effects of chromium substitution on the structural, dielectric, and magnetic characteristics of Ba0.92Sr0.08Ti1−xCrxO3 ceramics (where x = 0.00, 0.05, 0.10, 0.15, 0.20, and 0.25), which were synthesized using the solid-state reaction method. X-ray diffraction (XRD) analysis was used to determine the crystal structure and lattice parameters, while scanning electron microscopy (SEM) showed a decrease in grain size with increasing Cr concentration. Energy dispersive spectroscopy (EDS) confirmed the presence of Ba, Sr, Ti, O, and Cr elements. Dielectric measurements, including dielectric constant (εr) and tangent loss (tanδ), were conducted for different concentrations at various frequencies. Additionally, the remnant polarization (Mr) and coercive field (Mc), measured from the M–H curve at room temperature, demonstrated improved values. Improving these characteristics is essential for the creation of devices based on barium strontium titanate in fields like energy storage and optoelectronics.