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Tin Evaporation Material (Sn)

Tin Evaporation Material (Sn)
Material Type Tin
Symbol Sn
Atomic Weight 118.71
Atomic Number 50
Color/Appearance Silvery Lustrous Gray, Metallic
Thermal Conductivity 66.6 W/m.K
Melting Point (°C) 232
Coefficient of Thermal Expansion 22 x 10-6/K
Theoretical Density (g/cc) 7.28
Z Ratio 0.724
E-Beam Excellent
Thermal Evaporation Techniques Boat:  Mo
Coil:  W
Basket:  W
Crucible:  Al2O3
E-Beam Crucible Liner Material Fabmate®, Tantalum
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  682
10-6:  807
10-4:  997
Comments Wets Mo low sputter power. Use Ta liner in E-beam guns. Low Melting Point materials not ideal for sputtering.

General

Tin is a chemical element with symbol Sn (from Latin: stannum) and atomic number 50. It is a post-transition metal in group 14 of the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide, SnO2. Tin shows a chemical similarity to both of its neighbors in group 14, germanium and lead, and has two main oxidation states, +2 and the slightly more stable +4. Tin is the 49th most abundant element and has, with 10 stable isotopes, the largest number of stable isotopes in the periodic table, thanks to its magic number of protons. It has two main allotropes: at room temperature, the stable allotrope is β-tin, a silvery-white, malleable metal, but at low temperatures it transforms into the less dense grey α-tin, which has the diamond cubic structure. Metallic tin is not easily oxidized in air.

Material Notes

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

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