Luminescence and Scintillation Response of Ce3+-Doped Oxide Glasses with High Gd2O3 Content

Prapon Lertloypanyachai; Nakarin Pattanaboonmee; WEERAPONG CHEWPRADITKUL; Dan Ping Chen; Vladimir Babin; Martin Nikl

doi:10.4028/www.scientific.net/KEM.675-676.434

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 675-676Luminescence and Scintillation Response of...

Luminescence and Scintillation Response of Ce³⁺-Doped Oxide Glasses with High Gd₂O₃ Content

Abstract:

This report presents the luminescence and scintillation response of Ce³⁺-doped oxide glasses with high Gd₂O₃ (30 mol%) content. The characteristic emission of Ce³⁺ 5d → 4f transition peaking around 380 nm was observed in its luminescence spectra under UV and X-ray excitation. Photoluminescence decay kinetics was governed by a few tens of nanoseconds decay time. The integral scintillation efficiency of about 22% of that of the Bi₄Ge₃O₁₂scintillator was obtained under X-ray irradiation. The light yield and its dependence on the integration time were measured and compared with that of the Bi₄Ge₃O₁₂ crystal. The total mass attenuation coefficient at 662 keV γ-rays was also determined and compared with the theoretical one calculated using the WinXCom program.

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Periodical:

Key Engineering Materials (Volumes 675-676)

Pages:

434-437

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.675-676.434

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Online since:

January 2016

Authors:

Prapon Lertloypanyachai*, Nakarin Pattanaboonmee, WEERAPONG CHEWPRADITKUL, Dan Ping Chen, Vladimir Babin, Martin Nikl

Keywords:

Ce³⁺, Light Yield, Luminescence, Oxide Glass, Scintillation

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