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Proceedings Paper

Advances In (Hg,Cd)Te Materials Technology
Author(s): D. A. Nelson; W. M. Higgins; R. A. Lancaster
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Paper Abstract

Mercury cadmium telluride, Hgi_ x Cd x Te, a direct band-gap semiconducting alloy with the band-gap adjustable by varying the alloy composition, has become the material-of-choice for innumerable infrared-detection applications over the 2 to 20 micrometer spectral range. N-type, p-type and intrinsic material can be readily prepared, either by doping or by adjustment of alloy stoichiometry, greatly enhancing the versatility of this alloy system. Material requirements for the next generation of infrared detectors, large area two-dimensional arrays, have placed unprecedented demands on Hgi_ x Cd x Te materials technology. Major research efforts are being conducted which address this need including epitaxial and bulk crystal growth methods, both on earth and in space.

Paper Details

Date Published: 6 August 1980
PDF: 7 pages
Proc. SPIE 0225, Infrared Image Sensor Technology, (6 August 1980); doi: 10.1117/12.958702
Show Author Affiliations
D. A. Nelson, Honeywell Electro-Ootics Center (United States)
W. M. Higgins, Honeywell Electro-Ootics Center (United States)
R. A. Lancaster, Honeywell Electro-Ootics Center (United States)

Published in SPIE Proceedings Vol. 0225:
Infrared Image Sensor Technology
Esther Krikorian, Editor(s)

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