Abstract

Structure, microstructure, dielectric, ferroelectric, and local piezoelectric properties of perovskite ceramics in the systems (1-x)(K0.5Na0.5)NbO3 – x(Bi0.5Na0.5)TiO3 (x = 0 ÷ 0.1) and (1-x)(K0.5Na0.5)NbO3 – x(Bi0.5Na0.5)ZrO3 (x = 0.01 ÷ 0.05) have been studied. Improvement of dielectric parameters and effective d33 piezoelectric coefficient was obtained in compositions with x = 0.03 and 0.05, correspondingly.

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