Samarium

Samarium: uses

The following uses for samarium are gathered from a number of sources as well as from anecdotal comments. I'd be delighted to receive corrections as well as additional referenced uses (please use the feedback mechanism to add uses).

• carbon-arc lighting for the motion picture industry
• SmCo₅ used a permanent magnet material with one of the highest resistances to demagnetization known
• used to dope CaF₂ crystals for use in optical masers or lasers
• compounds act as sensitizers for phosphors excited in the infrared
• the oxide is catalytic for the dehydration and dehydrogenation of ethanol
• alloys
• headphones
• absorber in nuclear reactors

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