| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric composition and a piezoelectric element in which a piezoelectric property, especially spontaneous polarization, is high, and resistivity is high enough, and which is also superior from viewpoints of low-pollution, environment and ecology.SOLUTION: A main component of a piezoelectric composition comprises a following general formula of perovskite-type structure: (BiNa)(TiMgAl)O; 0.01≤x≤0.8; 0.2≤y≤0.8; 0.01≤z≤0.6; 0.75≤m≤1.0; and however, x+y+z=1.SELECTED DRAWING: Figure 1 |
