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Magnesium Fluoride Evaporation Material (MgF2)

Magnesium Fluoride Evaporation Material (MgF2)
Material Type Magnesium Fluoride
Symbol MgF2
Color/Appearance White, Crystalline Solid
Melting Point (°C) 1,261
Theoretical Density (g/cc) 2.9–3.2
Z Ratio 0.637
E-Beam Excellent
Thermal Evaporation Techniques Boat:  Mo, Ta
Crucible:  Al2O3
E-Beam Crucible Liner Material Fabmate®, Graphite, Molybdenum
Temp. (°C) for Given Vap. Press. (Torr) 10-4:  1,000
Comments Substrate temp and rate control important. Reacts with W. Mo OK.

General

Magnesium fluoride is an inorganic chemical compound with a chemical formula of MgF2. It is white or crystalline in appearance with a melting point of 1,261°C, a density of 3.18 g/cc, and a vapor pressure of 10-4 Torr at 1,000°C. The main application of magnesium fluoride is in optics, due to its distinctive transparency over a wide range of wavelengths. It is evaporated under vacuum to form anti-reflective layer.

Material Notes

AEM Deposition provides Magnesium Fluoride pellets, Magnesium Fluoride pieces, and Magnesium Fluoride powder for sale, purity is 99.9%.

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