Basic thermoluminescent and dosimetric properties of Al2O3:C irradiated by pulse intensive electron beam

被引：15
|
作者：
Nikiforov, S. V. [1 ]
Kortov, V. S. [1 ]
Zvonarev, S. V. [1 ]
Moiseykin, E. V. [1 ]
Kazantseva, M. G. [1 ]
机构：
[1] Ural Fed Univ, Ekaterinburg 620002, Russia
来源：
RADIATION MEASUREMENTS | 2014年 / 71卷
关键词：
Thermoluminescence; Aluminum oxide; Deep traps; Pulse electron beam; High-dose dosimetry; DEEP TRAPS; LUMINESCENCE; CRYSTALS; OSL;
D O I：
10.1016/j.radmeas.2014.02.010
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 effect of deep traps filled by a pulse electron beam on the thermoluminescent (TL) properties in Al2O3:C dosimetric crystals is studied. When the deep traps are filled, the dosimetric peak at 170 degrees C acquires a double-peak structure not present in the initial samples. The effect of the population of the deep centers having various nature (electron or hole traps) and energy depth on the shape of the dosimetric TL peak structure is analyzed. An assumption is made that in the temperature ranges of 350 500 degrees C and 650-750 degrees C, electron traps are emptied, whereas at T= 500-650 degrees C hole traps are emptied. The possibility of using the TL associated with deep traps in high-dose dosimetry of pulse electron beams is shown. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：74 / 77
页数：4
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