Lead-free (Na0.5Bi0.5)0.45Ba0.40Sr0.15TiO3ceramic: Synthesis, structure and polarization response

Abstract

In the present study, environmental-friendly lead-free $($ (Na0.5Bi0.5)0.45Ba0.40Sr0.15TiO3(NB-BST) ceramics were prepared by conventional solid-state reaction route. The structural and electrical properties of the ceramics were investigated for 950°C, 1000°C, and 1050°C sintering temperatures. Grain size was found to be ~0.267-0.447 µm. The structural analysis revealed cubic symmetry with a pm-3m space group. P-E loop shape of NB-BST ceramic was found to be strongly dependent on sintering temperature