Abstract

In order to obtain the piezoelectric ceramics with smaller nonlinear piezoelectricity, Pb(Ni,Nb)O 3–Pb(Zn,Nb)O 3–PbTiO 3–PbZrO 3 system ceramics having large piezoelectric d-constants were prepared using the conventional method with the solid reaction by calcination. The nonlinear piezoelectric coefficients at the MPB compositions decreased below a one-third of value compared with Pb(Sn,Nb)O 3–PbTiO 3–PbZrO 3 system ceramics which we have ever been studying about the nonlinearity. These small nonlinearity coefficients are discussed in the relationship with the large piezoelectric d-constants.

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