Preparation of BiFeO_3-BaTiO_3 based thick films by screen printing

摘要

0.67BiFeO_3-0.33BaTiO_3 thick films were prepared by screen printing pastes prepared by kneading the 0.67BiFeO_3-0.33BaTiO_3 powder in a three-roll mill with an organic vehicle. The thick films were fired with Pt bottom electrodes and ZrO_2 substrates to investigate the influence of firing temperature. The microstructures and ferroelectric properties of the thick films were examined and compared with the bulk ceramics. A remanent polarization of 32.0 μC/cm~2 and coercive field of 28 kV/cm were obtained for a thick film with the addition of 0.5 wt% MnO that was fired at 1050 °C.