Multi-parameter high-resolution spatial maps of a CdZnTe radiation detector array

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Resistivity results from a 48x48 pixelated CdZnTe (CZT) radiation detector array are presented alongside X-ray topography and detector mapping with a collimated gamma-ray beam. By using a variety of measurements performed on the same sample and registering each data set relative to the others, the spatial dependence of relationships between them was examined. The local correlations between resistivity and one measure of detector performance were strongly influenced by the positions of grain boundaries and other gross crystal defects in the sample. These measurements highlight the need for material studies of spatially heterogeneous CZT to record position information along with the ... continued below

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8 p.

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Hilton, N. R.; Barber, H. B.; Brunett, B. A.; Eskin, J. D.; Goorsky, M. S.; James, R. B. et al. November 7, 1998.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Resistivity results from a 48x48 pixelated CdZnTe (CZT) radiation detector array are presented alongside X-ray topography and detector mapping with a collimated gamma-ray beam. By using a variety of measurements performed on the same sample and registering each data set relative to the others, the spatial dependence of relationships between them was examined. The local correlations between resistivity and one measure of detector performance were strongly influenced by the positions of grain boundaries and other gross crystal defects in the sample. These measurements highlight the need for material studies of spatially heterogeneous CZT to record position information along with the parameters under study.

Physical Description

8 p.

Notes

INIS; OSTI as DE00755949

Medium: P; Size: 8 pages

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  • 1998 IEEE Nuclear Science Symposium and Medical Imaging, Toronto, Ontario (CA), 11/07/1998--11/14/1998

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  • Report No.: SAND2000-8607C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 755949
  • Archival Resource Key: ark:/67531/metadc707589

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  • November 7, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 6:01 p.m.

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Hilton, N. R.; Barber, H. B.; Brunett, B. A.; Eskin, J. D.; Goorsky, M. S.; James, R. B. et al. Multi-parameter high-resolution spatial maps of a CdZnTe radiation detector array, article, November 7, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc707589/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.