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AEM Deposition

Strontium Evaporation Material (Sr)

Strontium Evaporation Material (Sr)
Strontium Evaporation Material (Sr)
Material Type Strontium
Symbol Sr
Atomic Weight 87.62
Atomic Number 38
Color/Appearance Silvery White, Metallic
Thermal Conductivity 35 W/m.K
Melting Point (°C) 769
Coefficient of Thermal Expansion 22.5 x 10-6/K
Theoretical Density (g/cc) 2.6
Z Ratio **1.00
E-Beam Poor
Thermal Evaporation Techniques Boat:  W, Ta, Mo
Coil:  W
Basket:  W
Crucible:  VitC
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  239
10-6:  309
10-4:  403
UN Number 3132
Comments Wets but does not alloy with W/Ta/Mo. May react in air.


Strontium is the chemical element with symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. The metal forms a dark oxide layer when it is exposed to air. Strontium has physical and chemical properties similar to those of its two vertical neighbors in the periodic table, calcium and barium. It occurs naturally mainly in the minerals celestine, strontianite and is mined mostly from the first two of these.

Material Notes

AEM Deposition provides Strontium pellets, Strontium pieces, and Strontium powder for sale, purity is 99.5%.

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