Simultaneously high-energy storage density and responsivity in quasi-hysteresis-free Mn-doped Bi<sub>0.5</sub>Na<sub>0.5</sub>TiO<sub>3</sub>-BaTiO<sub>3</sub>-(Sr<sub>0.7</sub>Bi<sub>0.2</sub>□<sub>0.1</sub>)TiO<sub>3</sub> ergodic relaxor ceramics
Materials research letters