Abstract
The 0.88BaTiO3–0.12Bi(Mg1/2Ti1/2)O3 ceramics were prepared via the solid state reaction route. The temperature dependence of permittivity in 0.88BaTiO3–0.12Bi(Mg1/2Ti1/2)O3 (0.88BT–0.12BMT) ceramics shows relaxor-like behavior and weak temperature-dependence over a temperature range from −50°C to 100°C at 100Hz. The polarization–electric field hysteresis (P–E) loops display a linear behavior at low fields, and slight saturated nonlinear behaviors at higher fields. It can be inferred from the polarization behavior at high fields that a field-induced phase transition from relaxor state to ferroelectric state can be detected. Energy storage performance at different temperatures was also studied. The maximum energy storage density of 1.81J/cm2 was obtained at room temperature. And, a temperature stable energy storage property of the 0.88BT–0.12BMT over a temperature range from −50°C to 120°C suggests its potential application in energy storage capacitors.
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