Piezoelectric characteristics of low temperature sintering Pb(Mn1/3Nb2/3)O3–Pb(Ni1/3Nb2/3)O3–Pb(Zr0.50Ti0.50)O3 according to the addition of CuO and Fe2O3
Keywords: Multilayer piezoelectric actuator; Sintering aids; Electromechanical coupling factor (kp); Mechanical quality factor (Qm)