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AEM Deposition

Tantalum Evaporation Material (Ta)

Tantalum Evaporation Material (Ta)
Tantalum Evaporation Material (Ta)
Material Type Tantalum
Symbol Ta
Atomic Weight 180.94788
Atomic Number 73
Color/Appearance Gray Blue, Metallic
Thermal Conductivity 57 W/m.K
Melting Point (°C) 3,017
Coefficient of Thermal Expansion 6.3 x 10-6/K
Theoretical Density (g/cc) 16.6
Z Ratio 0.262
E-Beam Excellent
E-Beam Crucible Liner Material Fabmate®, Graphite
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  1,960
10-6:  2,240
10-4:  2,590
Comments Forms good films.


Tantalum is a chemical element with symbol Ta and atomic number 73. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It is part of the refractory metals group, which are widely used as minor components in alloys. The chemical inertness of tantalum makes it a valuable substance for laboratory equipment and a substitute for platinum. Its main use today is in tantalum capacitors in electronic equipment such as mobile phones, DVD players, video game systems and computers.

Material Notes

AEM Deposition provides Tantalum pellets, Tantalum pieces, and Tantalum powder for sale, purity is 99.95%.

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