摘要:
A piezoelectric ceramic 10 composed mainly of a three-component solid solution represented by the following general formula (1), wherein x, y and z in general formula (1) satisfy the following formulas (2), (3), (4) and (5). x(Bi1/2Na1/2)TiO3−y(Bi1/2Li1/2)TiO3−z(Bi1/2K1/2)TiO3 (1) 0.80≦x≦0.96 (2) 0.02≦y≦0.08 (3) 0.01≦z≦0.15 (4) x+y+z=1 (5)
摘要:
A piezoelectric ceramic 10 composed mainly of a three-component solid solution represented by the following general formula (1), wherein x, y and z in general formula (1) satisfy the following formulas (2), (3), (4) and (5). x(Bi1/2Na1/2)TiO3-y(Bi1/2Li1/2)TiO3-z(Bi1/2K1/2)TiO3 (1) 0.80≦x≦0.96 (2) 0.02≦y≦0.08 (3) 0.01≦z≦0.15 (4) x+y+z=1 (5)
摘要:
A piezoelectric composition includes a compound represented by a general expression Bi4Ti3O12—SrBi4Ti4O15 as a main component; and Mn or a Mn compound as an additive. A Mn content is less than 1.0% by mass based on a main component amount.