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)] | 20 Claims |
17. A vibration module, comprising:
a first electrode;
a piezoelectric element layer on the first electrode;
a second electrode on the piezoelectric element layer; and
a vibration member on the second electrode,
wherein:
the piezoelectric element layer includes a piezoelectric element comprising a compound represented by Formula 1,
(1−x)(LizNa0.5-zK0.5)(Nb1-ySby)O3·xCaZrO3 [Formula 1]
where x, y, and z have a range of 0.001≤x≤0.2, a range of 0.01≤y≤0.5, and a range of 0≤z≤0.2, respectively, and
wherein a piezoelectric constant of the piezoelectric element is 122 pC/N or higher.
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