Abstract
In this study, lead magnesium niobate–aluminium bismuthate ((1 − x) PMN–( x) AB) solid solution ceramics with composition of x = 0.1, 0.2 and 0.3 were prepared by solid state reaction method to study temperature and frequency dependency of its dielectric properties. Dielectric properties were studied using the complex impedance spectroscopic method. The temperature dependence of dielectric constant ([Formula: see text]) for compositions with x = 0.1, 0.2 and 0.3 is ≈ 109.75, 112.56 and 115, respectively. The imaginary dielectric constant is also ≈ 0.030, 0.033 and 0.035 for the composition 0.1, 0.2 and 0.3, respectively, for frequency of 10 kHz. The temperature at maximum of dielectric constant of (1 − x) PMN–( x) AB ceramics was seen to increase with increasing AlBiO3 content. Temperature of maximum dielectric constant ( Tm) of 86 °C was obtained at 10 kHz for the composition x = 0.3.
Published Version
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