Observation of high dielectric properties of Mg-substituted BST ceramic synthesized by conventional solid-state route

Barium strontium titanate exhibits ferroelectric or paraelectric behavior that depends upon the composition and other factors, making it suitable for several applications. We have adopted conventional solid-state reaction route to synthesize magnesium-substituted barium with magnesium concentration (Mg = 0, 0.005, 0.010, 0.015). X-ray diffraction has confirmed perovskite cubic single phase. The dielectric studies were carried out as a function of temperature at different fixed frequencies (1 kHz, 10 50 100 kHz) frequency room temperature. Curie’s pure BST was 96 °C, Mg-substituted samples, dropped from 85 63 °C. permittivity is firstly suppressed then maximum value observed Mg content 0.015 loss also less than one. remanence (Pr) coercivity (Ec) are obtained analyzed ceramics samples. Improvement in properties due substitution observed.