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Proceedings Paper

Radiation damage and activation of CdZnTe by intermediate energy neutrons
Author(s): Lyle M. Bartlett; Carl Michael Stahle; Peter K. Shu; Louis M. Barbier; Scott D. Barthelmy; Neil A. Gehrels; John F. Krizmanic; Peter Kurczynski; David M. Palmer; Ann M. Parsons; Bonnard J. Teegarden; Jack Tueller
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Paper Abstract

We exposed a CdZnTe detector to MeV neutrons from a 252Cf source and found no performance degradation for fluences below 1010 neutrons cm-2. Detector resolution did show significant degradation at higher neutron fluences. There is evidence of room temperature annealing of the radiation effects over time. Activation lines were observed and the responsible isotopes were identified by the energy and half-life of the lines. These radiation damage studies allow evaluation of the robustness of CdZnTe detectors in high neutron and radiation environments.

Paper Details

Date Published: 19 July 1996
PDF: 7 pages
Proc. SPIE 2859, Hard X-Ray/Gamma-Ray and Neutron Optics, Sensors, and Applications, (19 July 1996); doi: 10.1117/12.245137
Show Author Affiliations
Lyle M. Bartlett, NASA Goddard Space Flight Ctr. and NAS/NRC (United States)
Carl Michael Stahle, NASA Goddard Space Flight Ctr. and Orbital Sciences Corp. (United States)
Peter K. Shu, NASA Goddard Space Flight Ctr. (United States)
Louis M. Barbier, NASA Goddard Space Flight Ctr. (United States)
Scott D. Barthelmy, NASA Goddard Space Flight Ctr. and Universities Space Research Associates (United States)
Neil A. Gehrels, NASA Goddard Space Flight Ctr. (United States)
John F. Krizmanic, NASA Goddard Space Flight Ctr. and NAS/NRC (United States)
Peter Kurczynski, Univ. of Maryland (United States)
David M. Palmer, NASA Goddard Space Flight Ctr. and Universities Space Research Associates (United States)
Ann M. Parsons, NASA Goddard Space Flight Ctr. (United States)
Bonnard J. Teegarden, NASA Goddard Space Flight Ctr. (United States)
Jack Tueller, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 2859:
Hard X-Ray/Gamma-Ray and Neutron Optics, Sensors, and Applications
Richard B. Hoover; F. Patrick Doty, Editor(s)

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