Abstract
Humidity-impedance characteristics were examined for amorphous and crystalline zirconium phosphate. The impedance of crystalline zirconium phosphate is lowered with decreasing particle size. While the impedance of amorphous zirconium phosphate increases steeply with an increase in the burning temperature, the impedance is poorly dependent on burning temperature for crystalline zirconium phosphate in a humid atmosphere. Fine-grained crystalline zirconium phosphate is a suitable material for use as a humidity sensing device because of its humidity sensitivity and response to humidity changes. The existence of amorphous phases is responsible for the increase in response time.
Published Version
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