Material

System

Relative Density

T_C

(˚C)

Pr

(μC/cm²)

E_C

(kV/cm)

${\text{d}}_{33}^{*}$

(pm/V)

Strain

(%)

Ref.

Lead-based

PLZT

98.5%

175

42.2

5.12

-

0.25

[10]

PMN-PT

-

55

27

6.1

-

-

[11]

Lead-free

KNN

95.10%

410

11.4

8.5

-

-

[12]

LNN-BT

97.55%

275

11.2

19.2

174

0.12

[13]

NBT

98.0%

340

35

60

70

0.10

[14]

NKBT

98.32%

330

37

30

554

0.30

*