24 October 2012 Growth of CZT using additionally zone-refined raw materials
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Abstract
Results will be presented for the growth of CdZnTe by the low pressure Bridgman growth technique. To decrease deeplevel trapping and improve detector performance, high purity commercial raw materials will be further zone refined to reduce impurities. The purified materials will then be compounded into a charge for crystal growth. The crystals will be grown in the programmable multi-zone furnace (PMZF), which was designed and built at Northrop Grumman‟s Bethpage facility to grow CZT on Space Shuttle missions. Results of the purification and crystal growth will be presented as well as characterization of crystal quality and detector performance.
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David J. Knuteson, David J. Knuteson, Andre Berghmans, Andre Berghmans, David Kahler, David Kahler, Brian Wagner, Brian Wagner, Matthew King, Matthew King, Sean Mclaughlin, Sean Mclaughlin, Aleksey Bolotnikov, Aleksey Bolotnikov, Ralph James, Ralph James, Narsingh B Singh, Narsingh B Singh, } "Growth of CZT using additionally zone-refined raw materials", Proc. SPIE 8507, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV, 85070X (24 October 2012); doi: 10.1117/12.929982; https://doi.org/10.1117/12.929982
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