Humidity Sensitive Characteristics of ZnO-TiO2-Ta2O5 Ceramic

Abstract:

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The humidity sensing behavior of a ceramic oxide based on the ZnO-TiO2-Ta2O5 system was analyzed. Samples were uniaxially pressed and sintered at temperature range from 1000 to 1200oC. Electrical impedance and capacitance measurements were realized in different values of relative humidity (from 11 to 100%). The microstructures of the sintered samples were characterized by X-ray diffractions and SEM observations. Mercury porosimetry analyses were carried out to determine the open porosity and the surface area was measured by using the BET nitrogen method. The obtained results were correlated and discussed.

Info:

Periodical:

Materials Science Forum (Volumes 498-499)

Edited by:

Lucio Salgado and Francisco Ambrozio Filho

Pages:

293-298

DOI:

10.4028/www.scientific.net/MSF.498-499.293

Citation:

S. L. Mineiro et al., "Humidity Sensitive Characteristics of ZnO-TiO2-Ta2O5 Ceramic", Materials Science Forum, Vols. 498-499, pp. 293-298, 2005

Online since:

November 2005

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Price:

$35.00

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