Piezoelectric ceramic composition, piezoelectric ceramic, piezoelectric element, and oscillator

摘要: A piezoelectric ceramic composition is provided which contains Perovskite oxides expressed by General Formula 1 below and an aluminum compound, in the content ratio of compound to from 1% mass 11% mass, (Pb α-β-γ-δ M1 β M2 γ Bi δ )[Ti {1-(x+y+z)} Zr x Mn y Nb z ]O 3   (1) wherein (1), represents at least one kind element selected group consisting La, Ce, Pr, Nd, Sr, Ca, Ba, α, β, γ, δ, x, y, satisfy following numerical conditions: 0.96≦α≦1.01 0.03≦β≦0.07 0≦γ≦0.10 0≦δ≦0.02 0≦x≦0.24 0.02≦y≦0.04 0.03≦z≦0.08