Effect of La(Nb_1/3Mg_2/3)O₃ addition on phase transition behavior and energy storage properties of NaNbO₃ ceramics

The doped NaNbO3 ceramics of (1−x)NaNbO3–xLa(Nb1/3Mg2/3)O3 were prepared by conventional solid state method, and then the dielectric, phase transition energy storage performances investigated. X-ray diffraction results showed a from orthorhombic to rhombohedral occurred with increase x. introduction additives induced first-order anti-ferroelectric decrease temperatures. As result, an enhanced recoverable density 1.45 J cm−3 was observed when x = 4.5% efficiency 69.6% under moderate electric field. thermal hysteresis phenomenon attractive not only in chemical modification but also enhancement properties. This will contribute promotion NaNbO3-based dielectric capacitors.