Optical and spectral properties | |
---|---|
Transmission range in µm (minimum 10%) | 0,48‐20 |
Transmission range in µm (minimum 50%) | 0,5‐20 |
Refractive index @633nm | 2,591 (2,403 @10,6µm) |
Reflection losses in % at 1 surface | 17,05 @10µm
|
Reflection losses, % for two surfaces | 29,1 @10,6µm
|
dN/dT in 1/K | 61 · 10-6 @10,6µm @298K
|
Physical properties | |
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Density in g/cm3 | 5,27
|
Melting point in °C | subl. >500°C |
Specific heat capacity in J/(kg · K) | 339
|
Thermal conductivity in W/(m · K) | 18
|
Thermal expansion in 1/K | 7,1 · 10-6 @271K
|
Dielectric constant | 9,12
|
Solubility in water in g/100g | insoluble |
Mohs hardness | 4
|
Knoop hardness in kg/mm² | 110 |
Material type | polycrystalline, synthetic
|
Crystal type | cubic, zincblende structure |
Crystal structure | F43m
|
Lattice constant in Å | a = 5,67
|
Elastic coefficient in GPa | C11 = 86,4 C12 = 51,5 C44 = 40,2 |
Young's Modulus (E) in Gpa | 70,3
|
Shear Modulus (G) in GPa | 28,9 |
Bulk Modulus (K) in GPa | 63,1 |
Rupture Modulus in MPa | 55
|
Apparent elastic limit in MPa | 55,1
|
Poisson's ratio | 0,3 |
Spectral properties |
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sample thickness: 2 mm |
Optical Properties | |
---|---|
Transmission range in µm @10% min. | 0.48 - 20 |
Transmission range in µm @50% min. | 0.5 - 20 |
Refractive index @ 633nm | 2.5906 (2.4028 @10.6µm) |
Reflection losses in % at 1 surface | 17.05 @ 10µm |
Reflection losses in % at 2 surfaces | 29.1 @ 10.6µm |
dn/dT in 1/K | 61 · 10-6 |
Physical Properties | |
---|---|
Density in g/cm³ | 5.27 |
Melting point in °C | Subl. @ >500 |
Specific heat capacity in J/(kg · K) | 339 |
Thermal Conductivity in W/(m · K) | 18 |
Thermal Expansion in 1/K | 7.1 · 10-6 @ 271K |
Dielectric constant | 9.12 |
Solubility in water in g/100g | unsoluble |
Mohs hardness | 4 |
Knoop hardness in kg/mm² | 110 |
Material type | Polycrystalline, synthetic |
Crystal type | cubic |
Crystal structure | F43m |
Lattice constant in Å | a = 5.67 |
Elastic coeficients in GPa | C11 = 86.4 C12 = 51.5 C44 = 40.2 |
Young's Modulus (E) in GPa | 70.3 |
Shear Modulus (G) in GPa | 28.9 |
Bulk Modulus (K) in GPa | 63.1 |
Rupture Modulus in MPa | 55 |
Apparent elastic limit in MPa | 55.1 |
Poisson ratio | 0.3 |
Spectral Properties | |
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