ZnO

AlN

LiNbO3

Structure

Wurtzite

Wurtzite

Trigonal

Space Group

C6v4-P63mc

C6v4-P63mc

R3c

e13 (C∙m−2)

−0.567

−0.580

0.194

e33 (C∙m−2)

1.320

1.550

1.309

Young’s modulus (GPa)

210 [29]

344 [30]

170 [31]

Dipole moment μ (Debey)

0.345 [32]

0.096 [33]

4.40 [34]