Research Article

Ultrahigh Performance Piezoelectric Energy Harvester Using Lead-Free Piezoceramics with Large Electromechanical Coupling Factor

Figure 3

(a) Relative density, , , , , and and (b) the plots of the untextured KN(N1-zSz)-BAZ-SZ piezoelectric ceramics sintered at 1090°C for 6 h.
(a)
(b)