Photoluminescence and Scintillation Properties of Ce-, Pr-, and Tb-doped (Gd,Lu)2Hf2O7 Crystals

被引：26

作者：

Nakauchi, Daisuke ^{[1
]}

Fukushima, Hiroyuki ^{[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 | 2022年 / 34卷 / 02期

基金：

日本科学技术振兴机构;

关键词：

scintillator; photoluminescence; radioluminescence; phosphor; dosimetry; STIMULATED LUMINESCENCE PROPERTIES; X-RAY; DOSIMETRIC PROPERTIES; OXYGEN VACANCIES; RADIOLUMINESCENCE;

D O I：

10.18494/SAM3696

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Gd2Hf2O7 and Lu2Hf2O7 single crystals doped with various rare-earth ions (Ce3+, Pr3+, and Tb3+) were prepared by the floating zone method to investigate their photoluminescence and scintillation properties. The Ce-doped samples show scintillation signals with a broad peak in the range of 400-600 nm, whereas the Tb-and Pr-doped samples show relatively strong emission characterized by a few sharp peaks in the range of 480-700 nm due to 4f-4f transitions of the dopant ions. The scintillation spectra of the Ce-doped Lu2Hf2O7 after annealing at various temperatures show significant changes in their shapes, suggesting changes in the valence of the Ce ions.

引用

页码：611 / 618

页数：8

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