Growth of CZT using additionally zone-refined raw materials

David J. Knuteson; Andre Berghmans; David Kahler; Brian Wagner; Matthew King; Sean Mclaughlin; Aleksey Bolotnikov; Ralph James; Narsingh B Singh

doi:10.1117/12.929982

24 October 2012 Growth of CZT using additionally zone-refined raw materials

David J. Knuteson, Andre Berghmans, David Kahler, Brian Wagner, Matthew King, Sean Mclaughlin, Aleksey Bolotnikov, Ralph James, Narsingh B Singh

Author Affiliations +

Proceedings Volume 8507, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV; 85070X (2012) https://doi.org/10.1117/12.929982
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

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.

Citation Download Citation

David J. Knuteson, Andre Berghmans, David Kahler, Brian Wagner, Matthew King, Sean Mclaughlin, Aleksey Bolotnikov, Ralph James, and 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); https://doi.org/10.1117/12.929982

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