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The present investigation focuses on rare earth doped yttrium oxide (Y2O3). Neodymium (Nd), and Samarium (Sm) were used as dopant in the host yttrium oxide in the nano crystalline form. Simple coprecipitation technique was adopted for the preparation of nano crystalline, rare earth doped yttria. The dopant was maintained at 5% for both Nd3+ and Sm3+. The synthesized samples were the calcinated at 750 ℃ to obtain highly crystalline Nd:Y2O3 and Sm:Y2O3. Powder X-ray diffraction analysis reveals that the synthesized sample sizes were found 10–30 nm and the particle morphology was studied using SEM. Strain analysis was calculated using Williamson–Hall (W–H plot). Optical properties was investigated using UV–Vis spectroscopy and the obtained results shows that the synthesized nanocrystalline Nd:Y2O3 and Sm:Y2O have high band gap energy.

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A Comparative Study of Phase and Optical Analysis of Nd3+:Y2O3 and Sm3+:Y2O3

  • 会议论文

  • 发表日期：

    2025年

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  • S. Surya,
  • S. Gokul Raj,
  • G. Ramesh Kumar

摘要

The present investigation focuses on rare earth doped yttrium oxide (Y2O3). Neodymium (Nd), and Samarium (Sm) were used as dopant in the host yttrium oxide in the nano crystalline form. Simple coprecipitation technique was adopted for the preparation of nano crystalline, rare earth doped yttria. The dopant was maintained at 5% for both Nd3+ and Sm3+. The synthesized samples were the calcinated at 750 ℃ to obtain highly crystalline Nd:Y2O3 and Sm:Y2O3. Powder X-ray diffraction analysis reveals that the synthesized sample sizes were found 10–30 nm and the particle morphology was studied using SEM. Strain analysis was calculated using Williamson–Hall (W–H plot). Optical properties was investigated using UV–Vis spectroscopy and the obtained results shows that the synthesized nanocrystalline Nd:Y2O3 and Sm:Y2O have high band gap energy.