Entity: ERBIUM
Erbium is a metallic chemical element of the rare-earth group with atomic number 68. It is used in lasers, infrared light filters, and optical fibers.
ERBIUM
Etymology
The name 'erbium' is derived from the village of Ytterby in Sweden, where the mineral gadolinite was discovered.
Definition
Erbium is a metallic chemical element with the symbol Er and atomic number 68. It is a rare-earth element that is commonly used in lasers, infrared light filters, and optical fibers.
Historical Context
Erbium was first discovered in 1843 by Carl Gustaf Mosander, a Swedish chemist. It is part of the lanthanide series and is found in various minerals such as xenotime and euxenite.
Cultural Significance
Erbium is utilized in various industries, including metallurgy, nuclear research, and the production of colored glass and porcelain. Its unique properties make it valuable in technological applications.
Related Concepts
Erbium is closely related to other rare-earth elements such as yttrium and scandium. It shares similar chemical properties and is often used in combination with these elements.
See Also
- Rare-earth elements
- Lanthanides
- Optical fibers
A rare-earth metallic element, erbium is a soft, malleable, silvery element that is utilized in metallurgy, nuclear research, and to color glass and porcelain.