CPC H10N 30/8542 (2023.02) [G06F 1/1605 (2013.01); G06F 3/016 (2013.01); G06F 3/0412 (2013.01); G10K 9/122 (2013.01)] | 24 Claims |
16. A piezoelectric device, comprising:
a first electrode;
a piezoelectric element layer on the first electrode, the piezoelectric element layer including a piezoelectric element; and
a second electrode on the piezoelectric element layer,
wherein the piezoelectric element comprises a compound represented by Formula 3,
(1−x)(Na0.5K0.5)(Nb1−ySby)O3·xCaZrO3 [Formula 3]
where x and y have a range of 0.001≤x≤0.2 and a range of 0.01≤y≤0.11, respectively, and
a piezoelectric constant d33 of the piezoelectric element is 122 pC/N or higher and 518 pC/N or lower.
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