Abstract
The perovskite structure of the lead zirconate–lead magnesium tungstate ceramic, 0.94PbZrO 3–0.06Pb(Mg 1/2W 1/2)O 3 (0.94PZ–0.06PMW), was prepared by the wolframite precursor method. The phase evolution with temperature in the 0.94PZ–0.06PMW ceramic was investigated, with dielectric permittivity, differential scanning calorimetry and polarization measurements. The ceramic was in the antiferroelectric phase when below 177 °C, based on dielectric measurement, and an intermediate phase was detected between 177 and 219 °C. Evidence from ferroelectric data was found to suggest that this intermediate phase is ferroelectric.
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