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Proceedings Paper

Characterization of CdZnTe crystals and radiation detectors
Author(s): J. Butcher; M. Hamade; M. Petryk; A. E. Bolotnikov; G. S. Camarda; Y. Cui; R. Gul; A. Hossain; K. H. Kim; G. Yang; R. B. James
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Paper Abstract

Data obtained with BNL's National Synchrotron Light Source (NSLS) has helped to elucidate, in detail, the roles of non-uniformity and extended defects on the performance of CZT detectors, as well as the root cause of device polarization during exposure to a high flux of incident X-rays. Measurements of carrier traps will be reported, including their nature and relationships to different growth methods (conventional Bridgman, high-pressure Bridgman, traveling heater, and floating zone methods). Most findings will be correlated with the performance of spectrometer-grade CZT Xray and gamma detectors, and new directions to resolve the material deficiencies will be offered.

Paper Details

Date Published: 16 May 2012
PDF: 8 pages
Proc. SPIE 8358, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIII, 83581M (16 May 2012); doi: 10.1117/12.916951
Show Author Affiliations
J. Butcher, Brookhaven National Lab. (United States)
M. Hamade, Brookhaven National Lab. (United States)
M. Petryk, Brookhaven National Lab. (United States)
A. E. Bolotnikov, Brookhaven National Lab. (United States)
G. S. Camarda, Brookhaven National Lab. (United States)
Y. Cui, Brookhaven National Lab. (United States)
R. Gul, Brookhaven National Lab. (United States)
A. Hossain, Brookhaven National Lab. (United States)
K. H. Kim, Brookhaven National Lab. (United States)
G. Yang, Brookhaven National Lab. (United States)
R. B. James, Brookhaven National Lab. (United States)


Published in SPIE Proceedings Vol. 8358:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIII
Augustus Way Fountain, Editor(s)

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