Terbium
Owen Weaver
GENERAL
Atomic Mass- 159
- Tb-159 is only naturally occurring isotope
- also only stable isotope
HISTORY
- Discovered by Carl Gustav Mosander in 1843
- Separated an impure sample of Ytterium
- Found terbium oxide and erbium oxide
USES
- Used in low energy light bulbs
- Used in an alloy called terfenol-d
- expands in a magnetic field
- used in loudspeakers
SOURCES
Jefferson Lab Periodic Table: http://education.jlab.org/itselemental/ele065.html
Royal Society of Chemistry Periodic Table: http://www.rsc.org/periodic-table/element/65/terbium
Element Card: Gray, Theodore W. (2008). The Photographic Card Deck of the Elements.
Elements Book: Gray, Theodore W. (2009). The Elements: A visual exploration of every known atom in the universe. New York: Black Dog & Leventhal Publishers, Inc.
PHOTO SOURCES
http://www.knowledgedoor.com/2/elements_handbook/terbium_components/navigator_periodic_table.png
Carl Gustav Mosander: https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcRHsITXIXNvyNiskzwN1o38ALFT0Oa-HbVpytiITB02QmgEMScv8Q
Solid Drive Speakers: http://assets.coolhunting.com/coolhunting/mt_asset_cache/assets/images/soliddrives.jpg