Abstract
This paper presents measurements of the Weiss temperature, the Curie constant, the spontaneous polarization and the stored dielectric energy density of Ba1-xSrxTi1-yZryO3 ceramics for compositions with 0≤x≤1 and 0≤y≤0.5. The first three of these dielectric parameters are used to predict the density of energy storage that can be obtained when ceramics of these compositions are used as capacitor dielectrics. These predictions are compared with direct measurements of energy densities which show that for moderate electric field strengths (-50 kV mm -1) the stored dielectric energy densities were the largest for ceramics with x>0.7 and y ∼0.2. © 2000 Kluwer Academic Publishers
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