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Proceedings Paper

Vertical Bridgman growth of Cd(1-x)Zn(x)Te for room temperature radiation detectors
Author(s): Kelly A. Jones; Guido Ciampi; Christie E. Skrip
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Paper Abstract

Low pressure Electro-Dynamic Gradient freeze (EDG) method has been used to grow compensated, high resistivity Cd(1-x)ZnxTe for x and gamma ray detectors. All growths contained excess Tellurium which is added to the growth. Ampoule design and setup to limit vapor transport was determined to be important. Ingots grown in a Pyrolitic Coated Graphite crucible are shown to provide a good response to ionizing radiation at room temperature and can be used multiple times. The highest doping levels of Aluminum are shown to improve mobility lifetime products for electrons and average 8.7x10-4 cm2/V at 0.5 μsecond shaping fitting the Hecht relation.

Paper Details

Date Published: 21 September 2007
PDF: 8 pages
Proc. SPIE 6706, Hard X-Ray and Gamma-Ray Detector Physics IX, 670607 (21 September 2007); doi: 10.1117/12.738674
Show Author Affiliations
Kelly A. Jones, Washington State Univ. (United States)
Guido Ciampi, Washington State Univ. (United States)
Christie E. Skrip, Washington State Univ. (United States)

Published in SPIE Proceedings Vol. 6706:
Hard X-Ray and Gamma-Ray Detector Physics IX
Ralph B. James; Arnold Burger; Larry A. Franks, Editor(s)

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