| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-lead piezoelectric material having excellent and stable piezoelectric constant and mechanical quality coefficient over a wide practical temperature region.SOLUTION: In a piezoelectric material containing a perovskite metal oxide represented by a general formula (1)(BaCa)(TiSnZr)O(1)(1.00≤a≤1.01, 0.125≤x≤0.300, 0<y≤0.020, 0.041≤z≤0.069) as a main component, the metal oxide contains Mn, and the content of Mn is 0.12-0.40 pt.wt. for 100 pts.wt. of the metal oxide, in terms of metal. |
