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. |
General
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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