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Silicon Evaporation Material (Si)

Silicon Evaporation Material (Si)
Material Type Silicon (P-type)
Symbol Si (P-type)
Atomic Weight 28.0855
Atomic Number 14
Color/Appearance Dark Gray with a Bluish Tinge, Semi-Metallic
Thermal Conductivity 150 W/m.K
Melting Point (°C) 1,410
Bulk Resistivity 0.005-0.020 OHM-CM
Coefficient of Thermal Expansion 2.6 x 10-6/K
Theoretical Density (g/cc) 2.32
Dopant Boron
Z Ratio 0.712
E-Beam Fair
E-Beam Crucible Liner Material Fabmate®‡, Tantalum
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  992
10-6:  1,147
10-4:  1,337


Silicon is one of the most extensively used elements in the world. It is dark gray and semi-metallic with a bluish tinge. It has a melting point of 1,410°C , a density of 2.32 g/cc, and a vapor pressure of 10-4 Torr at 1,337°C. It is a brittle metalloid which can chip easily. Silicon is a semiconductor which is heavily utilized in the electronics and computer industries. It is often doped with arsenic, phosphorus, or boron depending on the application. It is evaporated under vacuum for circuit device, data storage device, and battery fabrication.

Material Notes

AEM Deposition provides Silicon pellets, Silicon pieces, and Silicon powder for sale, purity is 99.999%.

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