Lead zirconate titanate (PZT) ceramics, with general chemical formula Pb(Zr 1−x Ti x )O 3 are used in numerous piezo-and pyroelectric applications. In practice, PZT is rarely used in a chemical pure form. The dielectric, piezoelectric and pyroelectric properties of PZT can be modified by adding dopants to the ABO 3 -type PZT perovskite structure.Ceramics powders of manganese-doped lead zirconate titanate with composition Pb(Zr 0.3 Ti 0.7 ) 0.97 Mn 0.03 O 3 (PMZT) were prepared by the sol-gel method using: lead(II)acetate trihydrate, zirconium(IV)propoxide, titanium(IV)propoxide and manganese(II)acetate tetrahydrate as precursors. The PMZT-PVC composites were fabricated from PMZT and polymer powders by hot-pressing method.Keywords: ceramic-polymer composites, PZT+Mn, sol-gel Ceramiczne roztwory stałe cyrkonianu tytanianu ołowiu (PZT) o wzorze ogólnym Pb(Zr 1−x Ti x )O 3 znajdują szerokie zastosowanie jako piezo-i piroelektryki. W praktyce czysty PZT jest rzadko używany. Właściwości piezoelektryczne i piroelektryczne PZT modyfikuje się poprzez dodawanie domieszek do struktury typu perowskitu ABO 3 .Ceramiczne proszki cyrkonianu tytanianu ołowiu domieszkowanego manganem o składzie Pb(Zr 0,3 Ti 0,7 ) 0,97 Mn 0,03 O 3 (PMZT) otrzymano metodą zolowo-żelową. Jako prekursorów użyto: octanu ołowiu, propanolanu cyrkonu, propanolanu tytanu i octanu manganu.Kompozyty ceramiczno-polimerowe PMZT-PVC otrzymano z proszku PMZT i proszku polimeru PVC metodą prasowania na gorąco.

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We present the results of obtaining and investigating ceramic samples of solid solution (1-x)(PbZr0.53Ti0.47O3)-x (PbFe2/3W1/3O3) [i.e. (1-x)PZT-xPFW] with x = 0.25, 0.35, 0.45 and 0.55 obtained from oxides using conventional ceramic technology. In this paper we present the results of investigations of XRD and main dielectric properties. For x = 0.25 and x = 0.35 we investigated also P-E hysteresis loops at room temperature.

The possibility to obtain of ceramic solid solution between barium titanate and lead magnesium niobate by two-step sintering technique through conventional solid-state reaction method has been investigated. In the first step MgNb2O6 has been synthesized. In the second step 0.95BaTiO3-0.05Pb(Mg1/3Nb2/3)O3 has been obtained using MgNb2O6, PbO and BaTiO3. The two-step sintering technique is effective for the synthesized of 0.95BaTiO3-0.05Pb(Mg1/3Nb2/3)O3 ceramics. Single-phase (pyrochlore-free) ceramics with perovskite phase were obtained.