|
|
|
Syngony
|
Cubic
|
|
Symmetry Class
|
43m
|
|
Lattice Constants, Angstroms
|
a=5.668 c=a
|
|
|
|
|
Refractive Index at ne
|
2.6645
|
|
Refractive Index at nF'-nC'
|
0.1841
|
|
Refractive Index at n10.6
|
2.4034
|
|
Refractive Index at n8.0-n12.5
|
0.0285
|
|
Thermal Coefficient of Refractive Index at l=3.39 microns, îÑ-1
for +/-60îÑ
|
(6.0¸6.3)• 10-5
|
|
Transmission Range, microns (thickness 10ìì)
|
0.55¸18
|
|
Transmittance ti(l) vs. wavelength l
|
ZnSe Sublimate
|
|
|
|
|
|
|
Internal Transmittance ti(l) vs.
wavelength l
|
|
l,ìêì
|
ti(l)
|
|
0.2
|
|
|
0.5
|
0.65
|
|
1.0
|
0.76
|
|
3.0
|
0.94
|
|
5.0
|
0.97
|
|
6.0
|
0.97
|
|
7.0
|
0.99
|
|
8.0
|
0.99
|
|
9.0
|
0.99
|
|
10.0
|
0.99
|
|
12.0
|
0.98
|
|
15.0
|
0.90
|
|
20.0
|
0.16
|
|
|
|
Refractive Index n vs.
wavelength l
|
|
l,ìêì
|
n(l)
|
|
1.0
|
2.4894
|
|
2.0
|
2.4462
|
|
3.0
|
2.4376
|
|
4.0
|
2.4331
|
|
5.0
|
2.4296
|
|
6.0
|
2.4258
|
|
7.0
|
2.4219
|
|
8.0
|
2.4176
|
|
9.0
|
2.4123
|
|
10.0
|
2.4006
|
|
11.0
|
2.4006
|
|
12.0
|
2.3936
|
|
12.5
|
2.3891
|
|
15.0
|
2.3662
|
|
|
|
|
|
Thermal Linear Expansion at, îÑ-1 at 27îÑ
|
7.9• 10-6
|
|
Thermal Conductivity, W/(m • îÑ) at 20 îÑ
|
14.1
|
|
Specific Heat Capacity, J/(kg • îÑ) at 25 îÑ
|
367.0
|
|
Thermal Stability, îÑ
|
-
|
|
Melting Point, îÑ
|
1520 +/-15
|
|
|
|
|
Density, g/cm3 at 20 îÑ
|
5.26
|
|
Mohs Hardness
|
4
|
|
Vickers Microhardness , Pa
|
(101 +/-3)• 107
|
|
Poisson Ratio
|
0.311
|
|
Young Modulus (Å), Pa
|
7.76• 1010
|
|
Shear Modulus (G), Pa
|
2.96• 1010
|
|
|
|
|
Solubility
|
|
in water at 18 îÑ
g/100cm3
|
in acids
|
|
insoluble
|
soluble
|
|
|
|
