journal article·2007-10

Gamma-irradiation effects on Ce-doped YAG crystals grown by Cz and TGT method

Jun Xu, Yongjun Dong, Guoqing Zhou, Guangjun Zhao, Fenglian Su, Liangbi Su, Hongjun Li, JiLiang Si

Optical Materials· Volume 30· Issue 2
Publisher page

Abstract

Gamma-rays radiation effects on Ce:YAG crystals grown by Czochralski (Cz) and temperature gradient techniques (TGT) have been studied by means of optical absorption and luminescence spectra. Valence of Ce3+ ion changes during the gamma-ray irradiation process and this result indicates Ce4+ ion may exist in both Cz-Ce:YAG and TGT-Ce:YAG crystals. Thermally stimulated luminescence measurements reveal intense thermoluminescence peaks in gamma-irradiated Ce:YAG crystals and trap parameters were calculated by general-order kinetics expression. (C) 2006 Elsevier B.V. All rights reserved.
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Research context

OpenAlex topics: Radiation Detection and Scintillator Technologies · Advanced Semiconductor Detectors and Materials · Luminescence Properties of Advanced Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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