Research Article

Sintering and Characterization of (Li, Sb, Ta)-Modified (Na, K)NbO3 Lead-Free Ceramics

Table 1

Dielectric and piezoelectric properties of the KNLNT-S8 ceramics, compared to some previously reported KNN-based ceramics.

Compositions (pC/N) (pm/V) tan δ (%)

332 530 2.0 1210 0.52 0.48
[8] 308 490 1.9 1009 0.51 0.47
[11] 300 400
[9]3140.41
[12]328 702 0.48
[13]3213.6 1780 0.52