Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus

A piezoelectric element comprising:na first electrode;a second electrode; anda layered compound; anda piezoelectric layer made of a complex oxide having a perovskite structure containing at least bismuth, barium, iron, and titanium;wherein the layered compound contains iron, barium, titanium and oxygen and is formed between the piezoelectric layer and the first electrode andwherein the piezoelectric layer is formed between the layered compound and the second electrode, andwherein the layered compound is preferentially oriented along the (001) plane.

A method for forming a piezoelectric element, the method comprising:nforming a first electrode;forming a layered compound on the first electrode, the layered compound containing iron, barium, titanium and oxygen;forming a piezoelectric layer on the layered compound, wherein the piezoelectric layer is made of a complex oxide having a perovskite structure containing at least bismuth, barium, iron, and titanium;forming a second electrode on the piezoelectric layer; andfiring at a temperature greater than 650° C.