| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric material which does not contain lead and potassium and has good insulating properties, good piezoelectric properties, and a high Curie temperature.SOLUTION: The piezoelectric material comprises a perovskite type metal oxide represented by general formula (1) (NaM)(Zr(NbTa)(TiSn))O(wherein M contains at least one of Ba, Sr, and Ca, and 0.80≤x≤0.95, 0.85≤y≤0.95, 0<z≤0.03, 0≤v<0.2, 0≤w<0.2, and 0.05≤1-y-z≤0.15 are satisfied). |
