galliumnitrid and oxinitride, used as selective detectors for the reducing gases in the atmosphere, a method in the manufacture and the detektionsvorrichtung containing.

摘要

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 NH2 groups, said compound comprising the gallium nitride and, oxynitrides of tetrahedral structure according to the general formula: IMAGE in which: &squ& represents a hole, and 0/=x/=0.3.