Abstract
Abstract The influence of rare-earth oxide on the Sr0.02Pb0.98(Li0.008W0.012Ti0.46Zr0.52)O3 composition is studied. The ion size of rare-earth oxide are between those of Pb2+ and Zr4+, so both A-and B-sites are occupied for the same kind of doping. By the weight change method and lattice parameter variation method, the percent substitution of each kind doping can be calculated. For the lanthanum series, La3+, Nd3+ favor to the production of A-site vacancy, and Er3+ favor to the production of O-site vacancy. The piezoelectric properties of each kind of doping were measured too.
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