Radiation Response Characteristics of Pr3+-activated SrO-Al2O3-TeO2 Glasses

被引：28

作者：

Nakamori, Ryogo ^{[1
]}

Kawano, Naoki ^{[1
]}

Takaku, Akito ^{[1
]}

Onoda, Daichi ^{[2
]}

Takebuchi, Yuma ^{[2
]}

Fukushima, Hiroyuki ^{[2
]}

Kato, Takumi ^{[2
]}

Shinozaki, Kenji ^{[3
]}

Yanagida, Takayuki ^{[2
]}

机构：

[1] Akita Univ, Grad Sch Engn Sci, 1-1 Tegata Gakuen Machi, Akita 0108502, Japan

[2] Nara Inst Sci & Technol NAIST, Grad Sch Mat Sci, 8916-5 Takayama, Ikoma 6300192, Japan

[3] Natl Inst Adv Ind Sci & Technol, 1-8-31 Midorigaoka, Ikeda, Osaka 5638577, Japan

来源：

SENSORS AND MATERIALS | 2022年 / 34卷 / 02期

关键词：

scintillator; Pr; luminescence; glass; tellurite; STIMULATED LUMINESCENCE PROPERTIES; EXCITED PHOTOLUMINESCENCE; SCINTILLATION PROPERTIES; CRYSTALS;

D O I：

10.18494/SAM3689

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We fabricated Pr3+-activated glasses having a composition of 10SrO-5Al(2)O(3)-85TeO(2) (PSAT) for potential use as radiation detectors, and their photoluminescence (PL) and X-ray-induced scintillation properties were then characterized. The PSAT glasses showed several emission peaks in their PL spectra owing to the 4f-4f transitions of Pr3+. Furthermore, they exhibited typical PL decay times (0.09-0.86 ms), where the decay originated from the 4f-4f transitions of Pr3+. In the scintillation spectra of the PSAT glasses, three peaks at approximately 480, 618, and 636 nm were observed. The scintillation decay times were 0.747-0.840 ms, corresponding to the 4f-4f transitions of Pr3+. Furthermore, the PSAT glasses showed afterglow levels of 352-521 ppm, and the lowest afterglow level (352 ppm) was comparable to that of Tl-activated CsI single crystal.

引用

页码：707 / 715

页数：9

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