Scrap

One of the products of zinc selenide production is high-purity zinc selenide scrap, which can be used for solving various issues: the application of thin-film coatings, the production of single crystals of zinc selenide, etc.

 

Results of ZnSe sample analysis usingthe arc-atomic emission method

Impurity C1,% wt C2,% wt C3,% wt
Al ≤ 5×10-5 6×10-5 ≤ 5×10-5
Bi ≤ 4×10-5 5×10-5 < 4×10-5
Ca < 2×10-4 < 2×10-4 < 2×10-5
Co ≤ 5×10-5 ≤ 5×10-5 ≤ 5×10-5
Cr ≤ 5×10-5 ≤ 5×10-5 ≤ 5×10-5
Fe* ≤ 2×10-5 3×10-5 ≤ 3×10-5
Mg* ≤ 2×10-5 2×10-5 < 1×10-5
Mn < 5×10-6 < 5×10-6 < 5×10-6
Ni < 5×10-5 < 5×10-5 < 5×10-5
Pb < 1×10-4 < 1×10-4 < 1×10-4
V < 1×10 < 1×10-4 < 1×10-4
Сu ≤ 5×10-6 7×10-6 < 5×10-6

*limited to blank experiment

 

Transmission spectrum: 0.6–21.0 μm
Refractive index: 2.4028 @ 10.6 μm
Reflection loss: 29.1% @ 10.6 μm (from 2 surfaces)
Absorption coefficient: 0.0005 cm-1 @ 10.6 μm dn/dT: +61 x 10-6/°C @ 10.6 μm @ 298K dn/dµ = 0: 5.5 μm
Density: 5.27 g/cm3
Melting temperature: 1,525°C
Thermal conductivity: 18 W m-1 K-1 at 298K
Thermal expansion coefficient: 7.1 x 10-6 K-1 at 273K
Knoop hardness: 120
Specific heat capacity: 339 J kg-1 K-1
Dielectric constant: -
Young's modulus: 67.2 GPa
Shear modulus (G): -
Volumetric expansion modulus (K): 40 GPa
Elastic coefficient: -
Offset yield strength: 55.1 MPa
Poisson's ratio: 0.28
Solubility: 0.001g/100g water at 293K
Molar weight: 144.33
Class/Structure: polycrystalline

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