Scintillation properties of rare-earth doped NaPO3-Al(PO3)3 glasses

被引：28

作者：

Kuro, Tomoaki ^{[1
]}

Okada, Go ^{[1
]}

Kawaguchi, Noriaki ^{[1
]}

Fujimoto, Yutaka ^{[2
]}

Masai, Hirokazu ^{[3
]}

Yanagida, Takayuki ^{[1
]}

机构：

[1] Nara Inst Sci & Technol NAIST, Grad Sch Mat Sci, Aoba Ku, 8916-5 Takayamacho, Ikoma, Nara 6300192, Japan

[2] Tohoku Univ, Sch Engn, Aoba Ku, 6-6 Aramaki, Sendai, Miyagi 9808579, Japan

[3] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

来源：

OPTICAL MATERIALS | 2016年 / 62卷

关键词：

Dosimeter; Rare-earth; Scintillation; Phosphate glass; SINGLE-CRYSTALS;

D O I：

10.1016/j.optmat.2016.11.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We systematically investigated photoluminescence (PL), scintillation and dosimeter properties of rare-earth (RE) doped NaPO3-Al(PO3)(3) (NAP) glasses. The NAP glasses doped with a series of RE ions (La-Yb, except Pm) with a consistent concentration (0.3 wt%) were prepared by the conventional melt quenching method. The PL and scintillation decay time profiles showed fast (ns) and slow (mu s or ms) components: the fast components from 15 to 100 ns were due to the host or 5d-4f transition emission, and the slow components from 15 mu s to 5 ms were due to the 4f-4f transitions of RE. The thermally stimulated luminescence (TSL) was evaluated as a dosimeter property, and glow peaks appeared around 400 degrees C in all the samples. The TSL dose response function was examined in the dose range from 10 mGy to 10 Gy. Among the samples tested, Nd and Tb doped glasses showed higher signal by at least one order of magnitude than those of non-doped and other RE-doped samples. Over the dose range tested, the TSL signals are linearly related with the incident X-ray dose, showing a potential for practical applications. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：561 / 568

页数：8

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