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Cobalt Evaporation Material (Co)

Cobalt Evaporation Material (Co)
Material Type Cobalt
Symbol Co
Atomic Weight 58.933195
Atomic Number 27
Color/Appearance Lustrous, Metallic, Grayish Tinge
Thermal Conductivity 100 W/m.K
Melting Point (°C) 1,495
Coefficient of Thermal Expansion 13.0 x 10-6/K
Theoretical Density (g/cc) 8.9
Ferromagnetic Magnetic Material
Z Ratio 0.343
E-Beam Excellent

Thermal Evaporation Techniques
 
Boat:  W, Nb
Basket:  W
Crucible:  Al2O3
E-Beam Crucible Liner Material Direct in Hearth
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  850
10-6:  990
10-4:  1,20
Comments Alloys with W/Ta/Mo.

General

Cobalt is one of the most widely recognized metals in the world. It has a density of 8.9 g/cc, a melting point of 1,495°C, and a vapor pressure of 10-4 Torr at 1,200°C It is a lustrous, hard metal that is gray in appearance and characteristically ferromagnetic. One of its most popular uses is as a blue pigment found in paint, jewelry, and glass. It is often alloyed with other metals to make engine parts and cutting tools. Its two main vacuum applications are as a ferromagnetic layer in the production of magnetic storage media and as a transitional layer in battery fabrication.

Material Notes

AEM Deposition provides Cobalt pieces, and Cobalt powder for sale, purity is 99.5%.

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