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Samarium
Samarium, atomic no.62, symbol as Sm, weight at 150.4 |
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| Samarium, atomic no.: 62, symbol as Sm, weight at 150.36, is primarily utilized in the production of Samarium-Cobalt (Sm2Co17) permanent magnets. It is also used in laser applications and for its dielectric properties. Because of its weak spectral absorption band Samarium is used in the filter glass on Nd:YAG solid state lasers to surround the laser rod to improve efficiency by absorbing stray emissions. Samarium forms stable titanate compounds with useful dielectric properties suitable for coatings and in capacitors at microwave frequencies. Samarium Oxalate has specialized uses in glass, phosphors, lasers, and thermoelectric devices. One of the most important applications of Samarium is in Samarium–Cobalt magnets, which have a nominal composition of SmCo5 or Sm2Co17. Another important application of Samarium and its compounds is as catalyst and chemical reagent. In its usual oxidized form, Samarium is added to ceramics and glasses where it increases absorption of infrared light. |
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