Structure and electrical properties of lead-free Sr_1−x(K,Ce)_x/2(Na_0.5Bi_0.5)Bi₄Ti₅O₁₈ piezoelectric ceramics

Abstract

Bismuth layer-structured ferroelectrics with a formula of Sr1−x(K,Ce)x/2(Na0.5Bi0.5)Bi4Ti5O18, were prepared by a conventional solid-state reaction method.

Enhanced electrical properties of (Li,Ce) co-doped Sr(Na0.5Bi0.5)Bi4Ti5O18high temperature piezoceramics

“…It seems that this peak could be related to the volatilization of bismuth species at elevated temperatures. 18 Similar deciency behavior of bismuth species was also found during the sintering of another bismuth-layered compound-SrBi 4 Ti 4 O 15 . 19 Moreover, the signicant secondary phases are also evident, which could have effect on other electrical characterization.…”