| 摘要 |
Provided are a piezoelectric element, an actuator device, a liquid-jet head and a liquid-jet apparatus which exhibit excellent displacement characteristics; and the piezoelectric element is configured of a lower electrode, a piezoelectric layer and an upper electrode, in which piezoelectric element the proportion of the (100) planes present in the face surface of the piezoelectric layer to the (100), (110) and (111) planes present therein is not less than 70%, and in which piezoelectric element the proportion of the (100), (110) and (210) planes present in the vertical surface orthogonal to the face surface of the piezoelectric layer to the (100), (110), (210), (111) and (211) planes present therein is not less than 80%. |
