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Selenium Evaporation Material (Se)

Selenium Evaporation Material (Se)
Material Type Selenium
Symbol Se
Atomic Weight 78.96
Atomic Number 34
Color/Appearance Gray, Metallic Luster, Non-Metallic
Thermal Conductivity 0.52 W/m.K
Melting Point (°C) 217
Theoretical Density (g/cc) 4.81
Z Ratio 0.864
E-Beam Good
Thermal Evaporation Techniques Boat:  W, Mo
Coil:  W, Mo
Basket:  W, Mo
Crucible:  Al2O3
E-Beam Crucible Liner Material Fabmate®, Tungsten, Molybdenum
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  89
10-6:  125
10-4:  170
UN Number 3283
Comments Bad for vacuum systems. High V.P. Low Melting Point materials not ideal for sputtering.

General

Selenium is a chemical element with symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust.

Material Notes

AEM Deposition provides Selenium pellets, Selenium pieces, and Selenium powder for sale, purity is from 99.999% to 99.9999%.

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