J. Phys. IV France
Volume 129, October 2005
Page(s) 105 - 107

J. Phys. IV France 129 (2005) 105-107

DOI: 10.1051/jp4:2005129022

The optimization of the properties of the multicomponent PZT type ceramics by the choice of appropriate technological conditions

M. Czerwiec, R. Zachariasz, J. Ilczuk, B. Brus and A. Zarycka

Department of Material Science, Faculty of Computer and Material Sciences, University of Silesia, 3 Zeromskiego St., 41-200 Sosnowiec, Poland

By the conventional ceramic sintering method, doped lead zirconate titanate (PZT) samples with the chemical composition 0.55PbTiO3-0.43PbZrO3-0.02[ Pb(Cd0,5W0, 5)O3] have been obtained from oxides PbO, ZrO2, TiO2, CdO, WO3. For the samples of A series, synthesis was led in the 1223 K temperature by 3 hours and in the case of the samples of B series, by 6 hours in the same temperature but in two parts (each 3 hours long). Both series were sintered in the 1423 K temperature by 6 hours. All samples were subjected to polarization ( ${\rm T}_{\rm pol.}=423$ K, ${\rm E}_{\rm pol.}=30$ kV/cm, ${\rm t}_{\rm pol.}=30$ min.) and next dielectric ( ${\varepsilon^{\rm T}}_{33}$/ $\varepsilon_{0}$, tg$\delta)$ properties were measured for the samples in the shape of discs. For the samples of B series, larger values of the dielectric permittivity ${\varepsilon^{\rm T}}_{33}$/ $\varepsilon_{0}$ were observed, as well as lower values of the dielectric loss tg$\delta$.

© EDP Sciences 2005

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