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AEM Deposition

Zinc selenide Evaporation Material (ZnSe)

Zinc selenide Evaporation Material (ZnSe)
Zinc selenide Evaporation Material (ZnSe)
Material Type Zinc Selenide
Symbol ZnSe
Color/Appearance Yellow to Red, Crystalline Solid
Melting Point (°C) >1,100
Z Ratio 0.722
Thermal Evaporation Techniques Boat:  Ta, W, Mo
Coil:  W, Mo
Basket:  W, Mo
Crucible:  Q
E-Beam Crucible Liner Material Tantalum, Molybdenum
Temp. (°C) for Given Vap. Press. (Torr) 10-4:  660
UN Number 3283
Comments Preheat gently to outgas. Evaporates well.


Zinc selenide is a chemical compound with a chemical formula of ZnSe. It is yellow to red in appearance with a melting point of >1,100°C , a density of 5.42 g/cc, and a vapor pressure of 10-4 Torr at 660°C . Zinc selenide is heavily used as an infrared optical material. It is evaporated under vacuum for infrared optical coatings, more specifically, night vision optical coating.

Material Notes

AEM Deposition provides Zinc selenide pellets, Zinc selenide pieces, and Zinc selenide powder for sale, purity is 99.99%, 99.999%.
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