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Hafnium Evaporation Material (Hf)

Hafnium Evaporation Material (Hf)
Material Type Hafnium
Symbol Hf
Atomic Weight 178.49
Atomic Number 72
Color/Appearance Gray Steel, Metallic
Thermal Conductivity 23 W/m.K
Melting Point (°C) 2,227
Coefficient of Thermal Expansion 5.9 x 10-6/K
Theoretical Density (g/cc) 13.31
Z Ratio 0.36
E-Beam Good
Temp. (°C) for Given Vap.  10-8:  2,160
10-6:  2,250
10-4:  3,090
Export Control (ECCN) 1C231

General

Hafnium is a chemical element with symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals.

Material Notes

AEM Deposition provides Hafnium pellets, Hafnium pieces for sale, purity is Hf+Zr 99.95%.

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