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Platinum Evaporation Material (Pt)

Platinum Evaporation Material (Pt)
Material Type Platinum
Symbol Pt
Atomic Weight 195.084
Atomic Number 78
Color/Appearance Metallic Gray
Thermal Conductivity 72 W/m.K
Melting Point (°C) 1,772
Coefficient of Thermal Expansion 8.8 x 10-6/K
Theoretical Density (g/cc) 21.45
Z Ratio 0.245
E-Beam Excellent
E-Beam Crucible Liner Material Fabmate®, Graphite
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  1,292
10-6:  1,492
10-4:  1,747
Comments Alloys with metals. Films soft, poor adhesion. Temperatures required to achieve deposition may not be practical for thermal evaporation.

General

Platinum is one of nine precious metals on the periodic table. It has a melting point of 1,772°C , a density of 21.4 g/cc, and vapor pressure of 10-4 Torr at 1,747°C . It is a radiant, silvery-white metal that bears a striking resemblance to palladium. It is dense, malleable, ductile, and corrosion resistant in air. Its most prominent commercial application is as a catalytic converter in vehicles. Platinum is evaporated under vacuum for the manufacture of semiconductors, fuel cells, and batteries. It is also utilized as a layer for optical coatings. Platinum is commonly found in jewelry and laboratory instruments.

Material Notes

AEM Deposition provides Platinum pellets, and Platinum powder for sale, purity is 99.99%.

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