| abstract |
Disclosed is a piezoelectric element composed of BaTiO3 and BiFeO3 based piezoelectric materials containing strontium and having an improved displacement, a liquid ejecting head including the piezoelectric element, a liquid ejecting apparatus, an ultrasonic sensor, a piezoelectric motor, and a power generating apparatus. provide. A piezoelectric element includes a first electrode, a piezoelectric layer provided on the first electrode, and a second electrode provided on the piezoelectric layer. , Bismuth, barium, iron, titanium, and a composite oxide having a perovskite structure including strontium, and the content of strontium with respect to barium is 5 mol% or more and 18 mol% or less. [Selection] Figure 3 |