Abstract
The Ferroelectric and piezoelectric properties of 0.72Pb(Zr0.47Ti0.53)O3–0.28Pb[(Zn0.45Ni0.55)1/3Nb2/3]O3 (PZT–PZNN) piezoelectric thick films were investigated for application to energy harvesting devices. The PZT–PZNN thick films were fabricated by a conventional tape casting process. The sintered PZT–PZNN thick film was highly dense and flat when the annealed temperature was 1100 °C. It exhibited substantial ferroelectric and piezoelectric properties of Pr = 20.6 µC/cm2, d33 = 370 pC/N, εT33/ε0 = 1185, and kp = 0.44. Moreover, its d33·g33, which can characterize high energy density material, is as large as approximately 13050×10-15 m2/N. Therefore, the PZT–PZNN thick film can be a potential piezoelectric material for application to energy harvesting devices.
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