Photoluminescence and Scintillation Properties of Tb:GdTaO4 Crystals

被引：30

作者：

Nakauchi, Daisuke ^{[1
]}

Kato, Takumi ^{[1
]}

Kawaguchi, Noriaki ^{[1
]}

Yanagida, Takayuki ^{[1
]}

机构：

[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

来源：

SENSORS AND MATERIALS | 2021年 / 33卷 / 06期

基金：

日本学术振兴会;

关键词：

scintillator; radioluminescence; photoluminescence; crystal growth; LUMINESCENCE PROPERTIES; SINGLE-CRYSTAL; RAY; GDTAO4; GROWTH; LA; CERAMICS; CE3+; PR3+;

D O I：

10.18494/SAM.2021.3323

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Tb-doped GdTaO4 crystals were synthesized to investigate their photoluminescence and scintillation properties. Tb:GdTaO4 exhibits photo- and radioluminescence characterized by several sharp peaks due to 4f-4f transitions of Tb3+. The photo- and radioluminescence decay time constants arc 500-900 mu s. The values become short with increasing Tb concentration and are typical for the 4f-4f transitions of Tb3+. From the quantum yield (OY), radioluminescence spectra, and pulse height under Cs-137 gamma-rays, the 1% Tb:GdTaO4 crystal shows the highest scintillation output among the samples.

引用

收藏

页码：2203 / 2208

页数：6

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