Discovery Information
|
| Who: Paul emile Lecoq de Boisbaudran |
| When: 1879 |
| Where: France |
|
Name Origin
|
| From the mineral samarskite, named after a Russian mine official, Colonel Samarski. |
|
Sources
|
| Never found free in nature. Samarium is found in many minerals, including bastnasite, monazite and samarskite. |
|
Uses
|
| Used in carbon-arc lighting, permanent magnets, lasers, alloys, headphones and as an absorber in nuclear reactors.
|
| Samarium oxide is used in optical glass to absorb infrared. |
| Samarium-Cobalt magnets; SmCo5 is used in making a new permanent magnet material with the highest resistance to demagnetization of any known material.
|
|