Abstract
CaMnO3-δ-modified Bi0.5Na0.5TiO3 was fabricated by using a sol–gel method. In the modified Bi0.5Na0.5TiO3, a single perovskite with distorted structure was obtained due to the random distribution of Ca and Mn cations in the host lattice. The co-modification in A- and B-sites of Bi0.5Na0.5TiO3 via Ca and Mn resulted in the reduction of optical band gap and induction of room-temperature ferromagnetism. Co-modification of A- and B-sites in lead-free ferroelectric Bi0.5Na0.5TiO3 is suitable for fabricating smart materials in electronic devices.
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