Efficiency spectrum of a CdTe X- and γ-ray detector with a Schottky diode

被引:11
作者
Kosyachenko, LA [1 ]
Maslyanchuk, OL [1 ]
机构
[1] Chernivtsi Natl Univ, UA-58012 Chernovtsy, Ukraine
来源
E-MRS 2004 FALL MEETING SYMPOSIA C AND F | 2005年 / 2卷 / 03期
关键词
HIGH-RESOLUTION CDTE; PERFORMANCE;
D O I
10.1002/pssc.200460661
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A study on the efficiency spectrum of CdTe X- and gamma-ray detectors utilizing Schottky diodes for different material parameters and diode structures is reported. Special attention is paid to the effect of deep levels and compensation on space-charge region width. It is shown that charge collection in the neutral region of the detector considerably contributes to the device efficiency. Calculations also show that the efficiency of a stacked detector can be higher than that of a bulk detector with ohmic contacts. (c) 2005 WILEY-VCH Verlag GmbH A Co. KGaA, Weinheim.
引用
收藏
页码:1194 / 1199
页数:6
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