Rodríguez R A, De la Rosa E, Romero V H, Meléndrez R, Salas P, Diaz-Torres L A, Barboza-Flores M
Universidad de Guadalajara, Unidad Lagos, Lagos de Moreno, Jal. 47460, México.
J Nanosci Nanotechnol. 2008 Dec;8(12):6419-24.
The thermoluminescence (TL) of undoped and Dy3+ doped ZrO2 nanocrystals under beta-ray irradiation is reported. The TL glow curves are the result of the overlapping of four TL peaks produced partly by the intrinsic defect of highly asymmetrical monoclinic structure and partly due to defects produced during the synthesis process. The introduction of dopant ions induces changes in the glow curve due to the enhancement of high temperature peaks intensity. The results show that both undoped and doped ZrO2 nanocrystalline phosphor present good TL efficiency as well as good dose response which qualify them as a potential beta-ray dosimeter.
报道了未掺杂和Dy3+掺杂的ZrO2纳米晶体在β射线辐照下的热释光（TL）情况。热释光发光曲线是四个热释光峰重叠的结果，这些峰部分由高度不对称单斜结构的固有缺陷产生，部分归因于合成过程中产生的缺陷。掺杂离子的引入由于高温峰强度的增强而导致发光曲线发生变化。结果表明，未掺杂和掺杂的ZrO2纳米晶磷光体都具有良好的热释光效率和剂量响应，这使它们有资格成为潜在的β射线剂量计。
