Thermoluminescence properties of ZnO and ZnO:Yb nanophosphors

被引：42
作者：
Pal, U.
Melendrez, R.
Chernov, V.
Barboza-Flores, M.
机构：
[1] Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico
[2] Univ Sonara, Ctr Invest Fis, Hermosillo 83190, Sonora, Mexico
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 18期
关键词：
D O I：
10.1063/1.2374866
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
ZnO and ZnO:Yb thermoluminescence nanophosphors have been developed and tested under beta radiation. Spherical nanoparticles of sizes ranging from 130 to 1200 nm were prepared through a glycol mediated chemical synthesis. The Yb doping had a thermoluminescence quenching effect compared to undoped ZnO. The 5% Yb concentration produced a low fading, a single thermoluminescence glow peak structure, and a dose linearity behavior adequate for thermoluminescence dosimetry applications. The ZnO:Yb nanophosphor has a great potential as a dosimeter for monitoring in ionizing radiation fields. (c) 2006 American Institute of Physics.
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