ENHANCEMENT OF HUMIDITY SENSITIVITY FOR PEROVSKITE-TYPE OXIDES HAVING SEMICONDUCTIVITY

Abstract
The humidity sensitivities of SrSnO3 and BaSnO3 were enhanced slightly By means of calcining their hydroxides, which were prepared by a coprecipitation method. The partial substitution of the A site element of the perovskite-type oxides with lanthanum was more useful for the enhancement of the sensitivity. The highest sensitivity was found in Sr0.95La0.05SnO3 among the specimens studied.

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