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 ZnO


Main properties:
 

Chemical formula

ZnO 

Symmetry class

P63mc 

Cell parameter, Å

a=b=3,2495 

c=5,2069

Melting point, º C

1975 

Density, g/cm3

5,66 

Mohs’  hardness 

4

Direction of growth

(0001) 

Piezomodule, mV-1

d33 =  10,6 

Dielectric constant, 

e11 / e0

e33 / e0

 

8,3

8,8

Piezoelectric constants (x1012 q/N)

d = - 13,9 k33 = 0,408

d = - 5,2   k31 = 0,189

d = 10,6    k15 = 0,282

Transmission range

0,4-0,6 m > 50% at 2 mm 

Electromechanical constant

k33= 0,408 

Band gap, eV

3,436 

Thermal expansion, K-1

2,9 x 10 -6 

Refractive index

n0=2,0681

ne= 2,0510 

Element’s dimensions, mm

10 x 10 x 5,5...10*

15 x 15 x 5,5...10

* - size along C axis

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