液体噴射ヘッド、液体噴射装置、圧電素子、超音波センサー及び赤外線センサー

摘要

A piezoelectric element comprises a piezoelectric layer consisting a complex oxide having a perovskite structure containing bismuth and iron and electrodes provided to the piezoelectric layer. The complex oxide further contains a first dopant element that is magnesium and a second dopant element that is at least one of manganese, titanium, vanadium, niobium and tin.