Salas-Juárez Ch J, Cruz-Vázquez C, Avilés-Monreal R, Bernal R
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Hermosillo, Sonora 83000, México.
Departamento de Investigación en Física, Universidad de Sonora, Hermosillo, Sonora 83000, México.
Appl Radiat Isot. 2018 Aug;138:6-9. doi: 10.1016/j.apradiso.2017.10.026. Epub 2017 Oct 13.
In this work, we report on the afterglow (AG) response characterization of commercially available ZrO. Pellet shaped samples previously annealed in air at 1000°C during 24h were exposed to beta particle irradiation in the dose range from 0.5 up to 128Gy and their AG decay curves recorded during 600s after irradiation exposure. The characteristic glow curves of beta particle irradiated ZrO show two maxima located around 80°C and 150°C. The first one rapidly vanishes at room temperature, giving rise to AG. The integrated AG signal increases as dose increases from 0.5 to 128Gy, with a linear dependence from 0.5 up to ca. 32Gy. Excellent reproducibility of the AG response was observed in 10 irradiation - AG readout cycles, showing that the studied ZrO samples are reusable. The results here presented show that ZrO is a promising material for use as a radiation dosimeter based on the AG phenomenon.
在这项工作中，我们报告了市售ZrO₂的余辉（AG）响应特性。将先前在空气中于1000°C退火24小时的丸状样品暴露于剂量范围为0.5至128Gy的β粒子辐照下，并在辐照暴露后的600秒内记录其AG衰减曲线。β粒子辐照ZrO₂的特征发光曲线显示在80°C和150°C左右有两个最大值。第一个最大值在室温下迅速消失，产生余辉。随着剂量从0.5增加到128Gy，积分AG信号增加，在0.5至约32Gy范围内呈线性依赖关系。在10个辐照 - AG读出循环中观察到AG响应具有出色的可重复性，表明所研究的ZrO₂样品可重复使用。此处呈现的结果表明，基于AG现象，ZrO₂是一种有前途的用作辐射剂量计的材料。
