65
Terbium
Atomic Number65
Atomic Mass158.9 u
CategoryLanthanide
State at Room TempSolid
Year Discovered1843
About Terbium
One of four elements named after Ytterby, a single quarry village in Sweden. Terbium green phosphors brighten fluorescent lamps and screens. Terfenol-D, a terbium-iron alloy, changes shape in a magnetic field and is used in solid state actuators and sonar systems. Terbium is also added to crystals in solid state lasers and to doping agents in optical fibers.
More Lanthanides
57
Lanthanum
The first of the lanthanide series. Used in camera and telescope lenses for high...
58
Cerium
The most abundant rare earth element. Used in catalytic converters to reduce emi...
59
Praseodymium
Used in magnets for hybrid car motors and wind turbine generators. Praseodymium ...
60
Neodymium
Neodymium magnets are the strongest permanent magnets ever made. Essential for w...