| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric material capable of reducing leakage current and securing displacement characteristics.SOLUTION: A piezoelectric material is represented as a mixed crystal including: a first component which has a perovskite structure, contains Bi in an A site and Fe in a B side, and is composed of a complex oxide having a rhombohedral structure; a second component which has the perovskite structure, contains Ba in the A site and Ti in the B site and is composed of the complex oxide having a tetragonal structure; and a third component which has the perovskite structure, contains Bi and K in the A site and Ti in the B site and is composed of the complex oxide having the tetragonal structure. |
