Luminescence properties of α-Al2O3 dosimetric crystals exposed to a high-current electron beam

被引：13
作者：
Milman, II
Moiseykin, EV
Nikiforov, SV
Mikhailov, SG
Solomonov, VI
机构：
[1] Ural State Tech Univ, Dept Tech Phys, Ekaterinburg 620002, Russia
[2] RAS, Inst Electrophys, Ural Branch, Ekaterinburg, Russia
来源：
RADIATION MEASUREMENTS | 2004年 / 38卷 / 4-6期
关键词：
thermoluminescence; aluminium oxide; pulsed high-current electron beams;
D O I：
10.1016/j.radmeas.2004.01.037
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The spectra of pulsed cathodoluminescence (PCL) and thermoluminescence (TL) in TLD-500 detectors, which were exposed to a strong beam from a pulsed electron accelerator, have been studied. Additional bands in the PCL spectrum and new peaks in the TL curves, which are due to impurity ions, have been revealed. Luminescence bands of F- and F+-centers cannot be used in the dosimetry of strong electron beams using TLD-500 detectors because of the saturation of dose dependence and the decrease in the TL yield. It is shown that high doses from these beams can be measured by recording TL in the luminescence band of impurity titanium ions. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：443 / 446
页数：4
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