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This silvery-white, rare earth metal is malleable and ductile. Gadolinium is relatively stable in dry air, but forms an oxide coating in moist air which spalls off, exposing fresh metal. Gadolinium has unusual superconductive properties and when alloyed with iron, chromium, or related metals is found to greatly improve workability and resistance to temperature and oxidation. Gadolinium also has unique magnetic properties.
|Property Name||Property Value||Property Name||Property Value|
|CAS #||7440-54-2||Covalent Radius||1.61Angstroms|
|Electrical Resistivity @ 298°C||131µΩ-cm|
|Melting Point||1312°C||Crystal Structure||Hexagonal|
|Density||7.9g/cm3||Thermal Neutron Cross Section||46,000barns/atom|
|Themal Conductivity||0.021cal/cm2/cm/s/°C||Magnetic Moment||7.95Bohr magnetons|
|Specific Heat @ 25°C||0.071cal/g°C||Magnetic Susceptibility||356,000x10-6emu/mole|
|Heat of Fusion||3.70k-cal/g-atom||Tensile Strength||27,600psi|
|Heat of Vaporization||72k-cal/g-atom||Yield Strength||25,100psi|
|Atomic Volume||19.9W/D||Transformation Temperature||1260°C|
|First Ionization Energy||142K-cal/g-mole||Standard Electrode Potential||+2.2volts|