Abstract
BaTi1-xMgxO3, x = 0.00, 0.03, 0.05, 0.07, 0.10 ceramics have been synthesized by the solid-state reaction method. The effect of Mg substitution on the structural, dielectric, ferroelectric and energy storage properties of BaTiO3 ceramics has been studied. With MgO substitution, there is an increase in lattice parameters which is also confirmed by Rietveld refinement. A morphological study revealed that the average grain size reduces with MgO addition. The energy storage density of BaTiO3 has increased 2.5 times with MgO substitution. The composition BaTi0·95Mg0·05O3 (BMT 0.05) exhibited optimum properties like minimum grain size (0.470 μm), slim and pinched hysteresis loop, maximum ΔP (6.799 μC/cm2), maximum BDS (35 kV/mm) and thus maximum energy storage density (1.04 J/cm3) in the present study. Thus BMT 0.05 is a potential material for energy storage applications.
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