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<p>In this study, a series of Y<sub>2</sub>O<sub>3</sub>:Eu phosphors with varying concentrations of europium (Eu) were synthesized using the solid-state reaction method. The prepared materials underwent comprehensive characterization through multiple techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), and thermoluminescence (TL) analysis. The XRD data were subjected to Rietveld refinement to investigate phase formation and structural properties. The thermoluminescent properties of the synthesized phosphors were assessed by subjecting the samples to different excitation sources, namely gamma rays, carbon ion beams, and oxygen ion beams. The results indicated that the Y<sub>2</sub>O<sub>3</sub>:Eu phosphor exposed to gamma rays exhibited the highest TL emission intensity when the Eu concentration was at 0.5&#xa0;mol%. Conversely, the Y<sub>2</sub>O<sub>3</sub>:Eu phosphor exposed to carbon ion and oxygen ion beams displayed the highest TL emission intensity at a lower Eu concentration of 0.3&#xa0;mol%. The analysis of traps involved in material was deconvolute the glow curves using Glow Curve Deconvolution (GCD) method. Additionally, trapping parameters were calculated using the GCD method, Chen's peak shape analysis, and the Initial Rise method. The findings of this investigation suggest that the prepared Y<sub>2</sub>O<sub>3</sub>:Eu phosphors hold significant potential for future research in dosimetry applications.</p>

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Radiation-induced Y2O3:Eu phosphor: thermoluminescence characterization and trapping parameter investigations

  • 期刊论文

  • 发表日期：

    2025年3月15日

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  • Yash D. Narad,
  • Yatish R. Parauha,
  • Naumov G. Nikolay,
  • S. J. Dhoble

摘要

In this study, a series of Y2O3:Eu phosphors with varying concentrations of europium (Eu) were synthesized using the solid-state reaction method. The prepared materials underwent comprehensive characterization through multiple techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR), and thermoluminescence (TL) analysis. The XRD data were subjected to Rietveld refinement to investigate phase formation and structural properties. The thermoluminescent properties of the synthesized phosphors were assessed by subjecting the samples to different excitation sources, namely gamma rays, carbon ion beams, and oxygen ion beams. The results indicated that the Y2O3:Eu phosphor exposed to gamma rays exhibited the highest TL emission intensity when the Eu concentration was at 0.5 mol%. Conversely, the Y2O3:Eu phosphor exposed to carbon ion and oxygen ion beams displayed the highest TL emission intensity at a lower Eu concentration of 0.3 mol%. The analysis of traps involved in material was deconvolute the glow curves using Glow Curve Deconvolution (GCD) method. Additionally, trapping parameters were calculated using the GCD method, Chen's peak shape analysis, and the Initial Rise method. The findings of this investigation suggest that the prepared Y2O3:Eu phosphors hold significant potential for future research in dosimetry applications.