And the piezoelectric element using the piezoelectric material of the piezoelectric material, and an electronic apparatus using the piezoelectric element

The present invention provides a high Curie temperature, lead-free piezoelectric material satisfactory Young's modulus mechanical quality factor and satisfactory and the piezoelectric element and the multilayer piezoelectric elements each using the piezoelectric material. The piezoelectric material containing 0.04 mol% -2.00 mol% Cu, with respect to the perovskite-type metal oxide of 1 mol by the following general formula: (KvBiwBa1-v-w) 1-yNax (NbyTi1-y) O3, which satisfies the relationship of 0

Keywords:

• Oxide
• Mole
• Curie temperature
• Piezoelectricity
• Materials science
• Composite material
• Metal
• Modulus

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