A piezoelectric ink-jet printhead comprising: a plurality of ink ejectors including, a nozzle; an ink chamber; at least one diaphragm material, wherein the diaphragm material consists of a stainless steel foil with built up piezoelectric material, configured such that the deflection of the diaphragm on the ink chamber contributes to a pressure pulse that is used to eject a drop of liquid from the nozzle; and a top electrode, the top electrode being individually addressable through drive electronics in electrical communication with the top electrode, wherein the built up piezoelectric material is built up in multiple layers, characterized in that the built up piezoelectric material layers have been formed by deposition of a BNKT-BMT paste on the foil, wherein the deposited BNKT-BMT paste is then dried at 250°C-600°C for 15 minutes to one hour; and infiltration of the BNKT-BMT solution using the same composition as the BNKT-BMT paste, wherein the infiltrated BNKT-BMT solution is dried in the range 250°C-600°C for 5-20 minutes; wherein a thick hybrid film is annealed at 650°C-800°C for 30 minutes to 2 hours with a final thickness in the range of 5 μm -50 μm. a plurality of ink ejectors including, a nozzle; an ink chamber; at least one diaphragm material, wherein the diaphragm material consists of a stainless steel foil with built up piezoelectric material, configured such that the deflection of the diaphragm on the ink chamber contributes to a pressure pulse that is used to eject a drop of liquid from the nozzle; and a top electrode, the top electrode being individually addressable through drive electronics in electrical communication with the top electrode, wherein the built up piezoelectric material is built up in multiple layers, characterized in that the built up piezoelectric material layers have been formed by deposition of a BNKT-BMT paste on the foil, wherein the deposited BNKT-BMT paste is then dried at 250°C-600°C for 15 minutes to one hour; and infiltration of the BNKT-BMT solution using the same composition as the BNKT-BMT paste, wherein the infiltrated BNKT-BMT solution is dried in the range 250°C-600°C for 5-20 minutes; wherein a thick hybrid film is annealed at 650°C-800°C for 30 minutes to 2 hours with a final thickness in the range of 5 μm -50 μm. a nozzle; an ink chamber; at least one diaphragm material, wherein the diaphragm material consists of a stainless steel foil with built up piezoelectric material, configured such that the deflection of the diaphragm on the ink chamber contributes to a pressure pulse that is used to eject a drop of liquid from the nozzle; and a top electrode, the top electrode being individually addressable through drive electronics in electrical communication with the top electrode, wherein the built up piezoelectric material is built up in multiple layers, characterized in that the built up piezoelectric material layers have been formed by deposition of a BNKT-BMT paste on the foil, wherein the deposited BNKT-BMT paste is then dried at 250°C-600°C for 15 minutes to one hour; and infiltration of the BNKT-BMT solution using the same composition as the BNKT-BMT paste, wherein the infiltrated BNKT-BMT solution is dried in the range 250°C-600°C for 5-20 minutes; wherein a thick hybrid film is annealed at 650°C-800°C for 30 minutes to 2 hours with a final thickness in the range of 5 μm -50 μm.