ub978 0.98(Na 0.5 K 0.5 )NbO 3 -0.02Li(Sb 0.17 Ta 0.83 )O 3 +0.01wt%ZnO \uc138\ub77c\ubbf9\uc2a4\uc758 \uc555\uc804 \ud2b9\uc131 "," Piezoelectric Properties of 0.98(Na 0.5 K 0.5 )NbO 3 -0.02Li(Sb 0.17 Ta 0.83 )O 3 +0.01wt%ZnO Ceramics with a Sintering Temperature...