Design and Fabrication of a CdMnTe Nuclear Radiation Detection System

被引:1
|
作者
Egarievwe, Stephen U. [1 ]
Israel, Mordecai B. [1 ]
Banks, Alex D. [1 ]
Drabo, Mebougna L. [1 ]
Dunning, Keiandrea L. [1 ]
Cook, Vintrell J. [1 ]
Johnson, Frederick D. [1 ]
Palmer, Shaunay M. [1 ]
Roy, Utpal N. [2 ]
James, Ralph B. [3 ]
机构
[1] Alabama A&M Univ, Dept Elect Engn, Normal, AL 35762 USA
[2] Brookhaven Natl Lab, Dept Noneproliferat & Natl Secur, Upton, NY 11973 USA
[3] Savannah River Natl Lab, Sci & Technol, Aiken, SC USA
来源
关键词
CdMnTe nuclear detectors; gamma-rays; X-rays; CDZNTE X-RAY; CONTACTS; PERFORMANCE;
D O I
10.1109/southeastcon42311.2019.9020612
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Cadmium manganese telluride (CdMnTe) is one of the ternary compounds of cadmium telluride (CdTe) that has shown great potential applications in the development of X-ray and gamma-ray detectors used in medical imaging and in the detection of radiological and nuclear threats. CdMnTe nuclear detectors are capable of operating at room temperature without cryogenic cooling. The goal of this project is to design and fabricate CdMnTe detection system that can be used in laboratory experiments for characterizing detector materials and for identification of radionuclides. The engineering design objectives include a spring-based sample holder, ability to measure electrical properties of CdTe-based semiconductor nuclear detectors, and the detection of nuclear radiations. This paper presents the design of the sample holder and the fabrication of a CdMnTe detector. The current-voltage characterization experimental results showed that the CdMnTe has the high resistivity needed for CdTe-based nuclear detectors. The results also include the response of the CdiVInTe detector to the 59.5-keV gamma peak of Am-241 nuclear radiation source.
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页数:4
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