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A member of the rare earth elements, terbium is a silvery-gray metal that is both malleable and ductile. It is soft and can be cut with a knife. Terbium is relatively stable in air, but it can be more reactive in certain forms, especially powder. It is commonly used as a dopant in solid state devices and as an activator for green phosphors.
|Property Name||Property Value||Property Name||Property Value|
|CAS #||7440-27-9||Covalent Radius||1.59Angstroms|
|Electrical Resistivity @ 298°C||114.5µΩ-cm|
|Melting Point||1356°C||Crystal Structure||Hexagonal|
|Density||8.27g/cm3||Thermal Neutron Cross Section||44barns/atom|
|Specific Heat @ 25°C||0.044cal/g°C||Magnetic Moment||9.7Bohr magnetons|
|Heat of Fusion||3.9k-cal/g-atom||Magnetic Susceptibility||193,000x10-6emu/mole|
|Heat of Vaporization||70k-cal/g-atom||Transformation Temperature||1287°C|
|Atomic Volume||19.2W/D||Standard Electrode Potential||+2.2volts|
|First Ionization Energy||155K-cal/g-mole|