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In this study, non-stoichiometric composition of lead-free (K0.5Na0.5)0.97(Nb0.96Sb0.04)O3 ceramics were fabricated. And then, their dielectric and piezoelectric properties were investigated according to the CeO2 addition. In this ceramic composition, CeO2 addition improved sinteribility, electromechanical coupling factor kp, mechanical quality factor Qm, piezoelectric constant d33 and g33. At the...
In this study, in order to develop the composition ceramics for low loss and low temperature sintering multilayer piezoelectric actuator, PMN-PNN-PZT ceramics were fabricated using Li2CO3 and Na2CO3 as sintering aids, and their piezoelectric and dielectric characteristics were investigated according to the amount of MnO2 addition. At the sintering temperature of 900 , density and mechanical quality...
In this study, in order to develop the composition ceramics for multilayer piezoelectric actuator, PNN substituted PMN-PZT ceramics were fabricated using Li2CO3 and Na2CO3 as sintering aids, and their piezoelectric and dielectric characteristics were investigated. With the increase of the amount of PNN substitution, dielectric constant (εr), electromechanical coupling factor (kp), and piezoelectric...
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