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<p>The Y<sub>3</sub>Al<sub>5–x</sub>Ga<sub>x</sub>O<sub>12</sub>:Ce ceramic samples are synthesized by the radiation method. The influence of precursors on the radiation synthesis process is studied. The influence of the Al/Ga ratio on the spectral and kinetic properties of luminescence of Y<sub>3</sub>Al<sub>5–</sub><sub><i>x</i></sub>Ga<sub><i>x</i></sub>O<sub>12</sub>:Ce ceramics manufactured by radiation synthesis is investigated. The luminescence spectra of the samples are measured using the optical spectrometry technique with a&#xa0;time resolution of 7 ns. It is shown that gallium shifts the spectrum to the high-energy region due to the appearance of a&#xa0;new emission band at 2.49 eV and decreases the luminescence intensity in the low-energy region of the spectrum and the contribution from the relatively slow processes to the luminescence decay.</p>

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Luminescence properties of Y3Al5–xGaxO12:Ce ceramics with various contents of Al, Ga, and Ce

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • B. P. Gritsenko,
  • A. A. Karnaukhova

摘要

The Y3Al5–xGaxO12:Ce ceramic samples are synthesized by the radiation method. The influence of precursors on the radiation synthesis process is studied. The influence of the Al/Ga ratio on the spectral and kinetic properties of luminescence of Y3Al5–xGaxO12:Ce ceramics manufactured by radiation synthesis is investigated. The luminescence spectra of the samples are measured using the optical spectrometry technique with a time resolution of 7 ns. It is shown that gallium shifts the spectrum to the high-energy region due to the appearance of a new emission band at 2.49 eV and decreases the luminescence intensity in the low-energy region of the spectrum and the contribution from the relatively slow processes to the luminescence decay.