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Aluminum Evaporation Material (Al)

Aluminum Evaporation Material (Al)
Material Type Aluminum
Symbol Al
Atomic Weight 26.9815386
Atomic Number 13
Color/Appearance Silvery, Metallic
Thermal Conductivity 235 W/m.K
Melting Point (°C) 660
Coefficient of Thermal Expansion 23.1 x 10-6/K
Theoretical Density (g/cc) 2.7
Z Ratio 1.08
E-Beam Excellent
Thermal Evaporation Techniques Basket:  W
Crucible:  TiB2-BN, BN
E-Beam Crucible Liner Material Fabmate®, Intermetallic
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  677
10-6:  821
10-4:  1,010
Comments Alloys W/Mo/Ta. Flash evap or use BN crucible.

General

Aluminum is one of the most common metals in the world. It can be found in kitchen utensils, cars, street lights, and the popular aluminum foil food packaging. Aluminum is a silvery-white, metallic material. It is light, malleable, ductile, and non-magnetic under normal conditions. It has a density of 2.7 g/cc, a melting point of 660°C, and a vapor pressure of 10-4 Torr at 1,010°C. Although it is not a strong material, it is a good conductor of heat and electricity and is able to form an oxide layer that is resistant to corrosion. Due to its high reactivity, it is rarely found in nature as a free element. When evaporated in a vacuum, aluminum layers form a reflective coating found on telescopes, automotive headlamps, mirrors, packages, and toys. It is widely used in the aerospace, automotive lighting, OLED, and optical industry.

Material Notes

AEM Deposition provides Aluminum pellets, Aluminum pieces, and Aluminum powder, purity is from 99.99% to 99.9999%.

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