Radioluminescence properties of Ce3+-activated MGd(PO3)4 (M = Li, Na, K, Cs)

被引：23

作者：

Zhong, Jiuping ^{[1
]}

Liang, Hongbin ^{[1
]}

Su, Qiang ^{[1
]}

Zhou, Jianying ^{[1
]}

Khodyuk, Ivan V. ^{[2
]}

Dorenbos, Pieter ^{[2
]}

机构：

[1] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, MOE Lab Bioinorgan & Synthet Chem, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China

[2] Delft Univ Technol, Fac Sci Appl, NL-2629 JB Delft, Netherlands

来源：

OPTICAL MATERIALS | 2009年 / 32卷 / 02期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Rare-earth phosphate; Luminescence; Optical properties; Scintillation material; DOUBLE PHOSPHATES; SCINTILLATORS;

D O I：

10.1016/j.optmat.2009.09.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Rare-earth phosphates MGd(PO3)(4): 1.0 mol% Ce3+ (M = Li, Na, K, Cs) powder samples were prepared by a solid-state reaction technique at high temperature. The radioluminescence spectra and light-yield characteristic of MGd(PO3)(4):Ce3+ under X-ray irradiation were determined. It was found that, from LiGd(PO3)(4):Ce3+ to CsGd(PO3)(4):Ce3+, with the increasing of M+ radius, the doublet emission energy of Ce3+ ions decrease gradually but the light-yield increase significantly. Especially, CsGd(PO3)(4): 1.0 mol% Ce3+ has the highest X-ray excited light-yield of 24,400 photons/MeV with maximal emission peaks at 337 nm and 358 mn at room temperature. Due to its suitable emission wavelength range, high light-yield, high chemical stability and fast luminescence decay of Ce3+ emission, CsGd(PO3)(4):Ce3+ may be a promising scintillation material. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：378 / 381

页数：4

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