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<p>The optical band gap energies of Gd<sub>0.96</sub>Y<sub>0.04</sub>MnO<sub>3</sub>, Gd<sub>0.94</sub>Y<sub>0.06</sub>MnO<sub>3</sub> and Gd<sub>0.92</sub>Y<sub>0.08</sub>MnO<sub>3</sub> samples synthesized by solid state reaction route are found to be 3.3&#xa0;eV, 3.2&#xa0;eV and 3.17&#xa0;eV, respectively. Observation of low dielectric constant at high frequency range of all the samples make them suitable for device functioning applications. The room temperature magnetic studies exhibit combined existence of paramagnetic and ferromagnetic behavior. The coercivity values are found to be quite higher in all these three samples. No significant variation has been noticed in the optical band gap, dielectric constant and magnetic behavior of the three studied samples.</p>

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Optical Band Gap, Dielectric Constant and Magnetic Studies of GdMnO3 by Substituting Yttrium

  • 期刊论文

  • 发表日期：

    2026年1月4日

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  • Supriya Priyadarshinee,
  • Jayashree Pati,
  • Ranjita Mahapatra,
  • Pragyan Mohanty,
  • Santosh Kumar Parida,
  • Jyoshnarani Mohapatra,
  • Dilip Kumar Mishra

摘要

The optical band gap energies of Gd0.96Y0.04MnO3, Gd0.94Y0.06MnO3 and Gd0.92Y0.08MnO3 samples synthesized by solid state reaction route are found to be 3.3 eV, 3.2 eV and 3.17 eV, respectively. Observation of low dielectric constant at high frequency range of all the samples make them suitable for device functioning applications. The room temperature magnetic studies exhibit combined existence of paramagnetic and ferromagnetic behavior. The coercivity values are found to be quite higher in all these three samples. No significant variation has been noticed in the optical band gap, dielectric constant and magnetic behavior of the three studied samples.