Use of high-granularity position sensing to correct response non-uniformities of CdZnTe detectors

A. E. Bolotnikov, G. S. Camarda, Y. Cui, G. De Geronimo, J. Fried, A. Hossain, Kisung Lee, G. Mahler, M. Maritato, M. Marshall, M. Petryk, U. Roy, E. Vernon, G. Yang, R. B. James

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Abstract

CdZnTe (CZT) is a promising medium for room-temperature gamma-ray detectors. However, the low production yield of acceptable quality crystals hampers the use of CZT detectors for gamma-ray spectroscopy. Significant efforts have been directed towards improving quality of CZT crystals to make them generally available for radiation detectors. Another way to address this problem is to implement detector designs that would allow for more accurate and predictable correction of the charge loss associated with crystal defects. In this work, we demonstrate that high-granularity position-sensitive detectors can significantly improve the performance of CZT detectors fabricated from CZT crystals with wider acceptance boundaries, leading to an increase of their availability and expected decrease in cost.

Original languageEnglish
Article number263503
JournalApplied Physics Letters
Volume104
Issue number26
DOIs
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Bolotnikov, A. E., Camarda, G. S., Cui, Y., De Geronimo, G., Fried, J., Hossain, A., Lee, K., Mahler, G., Maritato, M., Marshall, M., Petryk, M., Roy, U., Vernon, E., Yang, G., & James, R. B. (2014). Use of high-granularity position sensing to correct response non-uniformities of CdZnTe detectors. Applied Physics Letters, 104(26), [263503]. https://doi.org/10.1063/1.4883402