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Proceedings Paper

Characterization of cadmium manganese telluride (Cd1-xMnxTe) crystals grown by floating zone method
Author(s): A. Hossain; G. D. Gu; A. E. Bolotnikov; G. S. Camarda; Y. Cui; R. Gul; U. N. Roy; G. Yang; T. Liu; R. Zhong; J. Schneeloch; R. B. James
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Paper Abstract

Recently, Cadmium Manganese Telluride (CMT) emerged as a promising material for roomtemperature X- and gamma-ray detectors. However, our studies revealed several material defects primarily related to growth processes that are impeding the production of large single crystals with high resistivity and high mobility-lifetime product. In this work, we characterized various defects in materials grown by the floating zone method, including twins, Te inclusions, and dislocations, using our unique facilities. We also fabricated detectors from selected CMT crystals and tested their performance. This paper discusses our detailed findings on the material’s properties and the performance of fabricated CMT detectors.

Paper Details

Date Published: 17 September 2014
PDF: 5 pages
Proc. SPIE 9213, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI, 92131N (17 September 2014); doi: 10.1117/12.2063357
Show Author Affiliations
A. Hossain, Brookhaven National Lab. (United States)
G. D. Gu, Brookhaven National Lab. (United States)
A. E. Bolotnikov, Brookhaven National Lab. (United States)
G. S. Camarda, Brookhaven National Lab. (United States)
Y. Cui, Brookhaven National Lab. (United States)
R. Gul, Brookhaven National Lab. (United States)
U. N. Roy, Brookhaven National Lab. (United States)
G. Yang, Brookhaven National Lab. (United States)
T. Liu, Brookhaven National Lab. (United States)
R. Zhong, Brookhaven National Lab. (United States)
J. Schneeloch, Brookhaven National Lab. (United States)
R. B. James, Brookhaven National Lab. (United States)


Published in SPIE Proceedings Vol. 9213:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI
Arnold Burger; Larry Franks; Ralph B. James; Michael Fiederle, Editor(s)

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