Samarium Oxide

Samarium, atomic no. 62, symbol 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.
They are utilized in lightweight electronic equipment where size or space is a limiting factor and where functionality at high temperature is a concern. Applications include electronic watches, aerospace equipment, microwave technology and servomotors.
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.

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