arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2107.11571physics.ins-detnucl-ex
收藏

ZnSe-based型制冷剂的低温性能

Performance of ZnSe-based scintillators at low temperatures

S. Galkin, I. Rybalka, L. Sidelnikova, A. Voloshinovskii, H. Kraus, V. Mykhaylyk

摘要:

在低温下使用闪烁探测器的应用越来越多。其中许多都需要具有高光输出和快速响应的材料。在这里,我们报告的低温特性的ZnSe掺杂Al或Te,分别。在77- 295 K温度范围内测量了X射线发光和衰变曲线,并使用α粒子激发来检查9-295 K范围内的闪烁光输出和衰变动力学。在100 K以下冷却时,观察到闪烁特性的显著改善。晶体的闪烁光产额增加了约2倍,衰减时间常数降低了几乎一个数量级,为0.3-0.4微秒。这些改进增强了ZnSe基晶体在电离辐射的低温闪烁探测器中的应用潜力。

英文摘要:

Applications that utilize scintillation detectors at low temperatures are growing in number. Many of these require materials with high light yield and a fast response. Here we report on the low-temperature characterisation of ZnSe doped with Al or Te, respectively. The X-ray luminescence and decay curves were measured over the 77- 295 K temperature range, and alpha particle excitation was used to examine scintillation light output and decay kinetics over the range 9-295 K. A significant improvement of the scintillation characteristics was observed at cooling below 100 K. The scintillation light yield of the crystals increases by a factor about two, and the decay time constant decreases by almost an order of magnitude to 0.3-0.4 microsec. These improvements enhance the potential of ZnSe-based crystals for application in cryogenic scintillation detectors of ionising radiation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑