Room temperature magnetoelectric multiferroism through cation ordering in complex perovskite solid solutions

Abstract

A strategy for developing ferrimagnetism through B-site cation ordering in thermodynamically stable ferroelectric complex perovskites is described, with the aim of realizing both a spontaneous polarization and magnetization at room temperature. Specifically, solid solutions of the complex perovskites Pb(Fe2/3W1/3)O3, Sr(Fe2/3W1/3)O3, and Ba(Fe2/3W1/3)O3 with BiFeO3 are considered. Preliminary data on the 0.75Pb(Fe2/3W1/3)O3–0.25BiFeO3 ceramic show promising results.