Performance of CdTe detector in the 13-1333 keV energy range

被引：9
|
作者：
Demir, Demet [1 ]
Onder, Pinar [1 ]
Oznuluer, Tuba [2 ]
机构：
[1] Ataturk Univ, Fac Sci, Dept Phys, TR-25240 Erzurum, Turkey
[2] Ataturk Univ, Fac Sci, Dept Chem, TR-25240 Erzurum, Turkey
来源：
RADIATION PHYSICS AND CHEMISTRY | 2010年 / 79卷 / 11期
关键词：
CdTe detector; Efficiency; Peak to valley ratio; Energy resolution; RAY; ABSORPTION;
D O I：
10.1016/j.radphyschem.2010.06.001
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The photopeak efficiency, peak to valley ratio and energy resolution of a 3 x 3 x 1 mm(3) CdTe detector were determined experimentally for 13-1333 keV photon energy by using polyester coated radio-isotopes (241)Am, (22)Na, (54)Mn, (57)CO, (60)Co, (109)Cd, (137)Cs and (133)Ba. The data were analyzed by using PX4 from Amptek. The experimental values were fitted to an analytical function of photon energy, and an agreement was observed for the entire range of the studied energies. The results have shown that the CdTe detector has a high performance due to both the improved charge collection efficiency comparable with that of SI GaAs detectors (Vittone et al., 1999), and the low leakage current. Also, CdTe detector is very attractive for field application as it works at room temperature. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1132 / 1136
页数：5
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