Abstract
In order to confirm the role of Manganese on properties of PbTiO3-like ferroelectric ceramics, ultrasonic, elastic, dielectric, and DC resistance characteristics have been measured before and after poling as a function of Mn-concentrations in the range from 0 to 4 mol% in ferroelectric (Pb0.75 Ca0.25)((Mg1/3 Nb2/3)0.0625 Ti0.9375)O3 ceramics, in connection with the microstructures such as grain size and lattice constants. Observed results show that energy dissipation factors such as ultrasonic attenuation, dielectric loss, and DC resistance are markedly Mn-concentration sensitive.
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