液体噴射ヘッド、液体噴射装置、圧電素子、超音波デバイス及びＩＲセンサー

摘要

A piezoelectric element, comprises a piezoelectric layer consisting of a complex oxide represented as a mixed crystal including bismuth ferrate and barium titanate and an electrode provided to the piezoelectric layer. The piezoelectric layer contains 1 to 15 mol % of lithium relative to the complex oxide.