Gallium nitride and oxynitrides used as selective detectors of reducing gases, process of making and device containing them
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United States of America Patent
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Jan 8, 1991
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N/A
app pub date -
Nov 1, 1989
filing date -
Nov 2, 1988
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Expired
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Abstract
The present invention relates, a compound for use with selective detectors of the semiconductor resistance type which detect for nitrogenous reducing gases in the atmosphere, especially ammonia and gases containing NH and/or NH.sub.2 groups, said compound comprising the gallium nitride and, oxynitrides of tetrahedral structure according to the general formula: ##EQU1## in which: .quadrature. represents a hole, and 0.ltoreq.x.ltoreq.0.3.
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