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Journal of Inorganic Materials, Volume. 38, Issue 4, 452(2023)

Fabrication and Microstructure of Gd2O2S:Tb Scintillation Ceramics from Water-bath Synthesized Nano-powders: Influence of H2SO4/Gd2O3 Molar Ratio

Junlin WU1...2, Jiyang DING1,3, Xinyou HUANG3, Danyang ZHU1,2, Dong HUANG1,3, Zhengfa DAI1, Wenqin YANG4,5, Xingfen JIANG4,5, Jianrong ZHOU4,5, Zhijia SUN4,5, and Jiang LI12,* |Show fewer author(s)
Author Affiliations
  • 11. Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
  • 22. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 33. School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, China
  • 44. Spallation Neutron Source Science Center, Dongguan 523803, China
  • 55. State Key Laboratory of Particle Detection and Electronics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
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    XRD patterns of the products prepared with different n of H2SO4 and Gd2O3 in hot water bath at 90 ℃ for 2 h
    1. XRD patterns of the products prepared with different n of H2SO4 and Gd2O3 in hot water bath at 90 ℃ for 2 h

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    XRD patterns of the products calcined in air at 600 ℃ for 3 h from the precursors prepared with different n
    2. XRD patterns of the products calcined in air at 600 ℃ for 3 h from the precursors prepared with different n

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    XRD patterns of the products calcined in air and reduced in H2 at 750 ℃ for 2 h from the precursors prepared with different n
    3. XRD patterns of the products calcined in air and reduced in H2 at 750 ℃ for 2 h from the precursors prepared with different n

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    FESEM morphologies of Gd2O2S: Tb powders with different n(a) n=1.00; (b) n=1.25; (c) n=1.50; (d) n=1.75; (e) n=2.00; (f) n=2.25; (g) n=2.50; (h) n=2.75; (i) n=3.00
    4. FESEM morphologies of Gd2O2S: Tb powders with different n(a) n=1.00; (b) n=1.25; (c) n=1.50; (d) n=1.75; (e) n=2.00; (f) n=2.25; (g) n=2.50; (h) n=2.75; (i) n=3.00

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    XEL spectra and normalized integral intensity curves in the range of 350-700 nm of Gd2O2S:Tb powders with different n(a) XEL spectra; (b) Normalized integral intensity curves; Colorful figures are available on website
    5. XEL spectra and normalized integral intensity curves in the range of 350-700 nm of Gd2O2S:Tb powders with different n(a) XEL spectra; (b) Normalized integral intensity curves; Colorful figures are available on website

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    Relative densities of Gd2O2S:Tb ceramics vacuum pre-sintered at 1300 ℃ for 3 h and HIP post-treatment at 1450 ℃ for 3 h fabricated from the powders with different n
    6. Relative densities of Gd2O2S:Tb ceramics vacuum pre-sintered at 1300 ℃ for 3 h and HIP post-treatment at 1450 ℃ for 3 h fabricated from the powders with different n

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    FESEM micrograph and EDS patterns (white area) of the Gd2O2S:Tb ceramics vacuum pre-sintered at 1300 ℃ for 3 h and HIP post-treatment at 1450 ℃ for 3 h fabricated from the powders prepared with n=1.00
    7. FESEM micrograph and EDS patterns (white area) of the Gd2O2S:Tb ceramics vacuum pre-sintered at 1300 ℃ for 3 h and HIP post-treatment at 1450 ℃ for 3 h fabricated from the powders prepared with n=1.00

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    FESEM morphologies of Gd2O2S:Tb ceramics fabricated from the powders prepared with different n(a) n=1.00; (b) n=1.25; (c) n=1.50; (d) n=1.75; (e) n=2.00; (f) n=2.25; (g) n=2.50; (h) n=2.75; (i) n=3.00
    8. FESEM morphologies of Gd2O2S:Tb ceramics fabricated from the powders prepared with different n(a) n=1.00; (b) n=1.25; (c) n=1.50; (d) n=1.75; (e) n=2.00; (f) n=2.25; (g) n=2.50; (h) n=2.75; (i) n=3.00

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    XEL spectra and normalized integral intensity curves in the range of 350-700 nm of Gd2O2S:Tb ceramics fabricated from the powders with different n(a) XEL spectra; (b) Normalized integral intensity curves; Colorful figures are available on website
    9. XEL spectra and normalized integral intensity curves in the range of 350-700 nm of Gd2O2S:Tb ceramics fabricated from the powders with different n(a) XEL spectra; (b) Normalized integral intensity curves; Colorful figures are available on website

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    Junlin WU, Jiyang DING, Xinyou HUANG, Danyang ZHU, Dong HUANG, Zhengfa DAI, Wenqin YANG, Xingfen JIANG, Jianrong ZHOU, Zhijia SUN, Jiang LI. Fabrication and Microstructure of Gd2O2S:Tb Scintillation Ceramics from Water-bath Synthesized Nano-powders: Influence of H2SO4/Gd2O3 Molar Ratio [J]. Journal of Inorganic Materials, 2023, 38(4): 452

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    Paper Information

    Category: RESEARCH LETTER

    Received: Sep. 16, 2022

    Accepted: --

    Published Online: Oct. 17, 2023

    The Author Email: LI Jiang (lijiang@mail.sic.ac.cn)

    DOI:10.15541/jim20220542

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology