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Thulium ( Tm )

Material Information

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We stock and supply the following standard forms:
Foil Lump Rod Sputtering Target Wire
Foil Lump Rod Sputtering Target Wire

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Atomic Properties

Atomic number 69
Atomic radius - Goldschmidt ( nm ) 0.174
Atomic weight ( amu ) 168.9342
Crystal structure Hexagonal close packed
Electronic structure Xe 4f13 6s2
Ionization potential No. eV
1 6.18
2 12.05
3 23.71
Natural isotope distribution Mass No. %
169 100
Thermal neutron absorption cross-section ( Barns ) 115
Valences shown 2, 3

Electrical Properties

Electrical resistivity @20C ( µOhmcm ) 90
Temperature coefficient @0-100C ( K-1 ) 0.00195

Mechanical Properties

Material condition Polycrystalline
Bulk modulus ( GPa ) 40.5
Hardness - Brinell 53
Poisson's ratio 0.235
Tensile modulus ( GPa ) 76

Physical Properties

Boiling point ( C ) 1947
Density @25C ( g cm-3 ) 9.322
Melting point ( C ) 1545

Thermal Properties

Coefficient of thermal expansion @0-400C ( x10-6 K-1 ) 11.6
Latent heat of evaporation ( J g-1 ) 1456
Latent heat of fusion ( J g-1 ) 109
Specific heat @25C ( J K-1 kg-1 ) 160
Thermal conductivity @0-100C ( W m-1 K-1 ) 16.9

Buy Thulium on-line

We stock and supply the following standard forms:
Foil Lump Rod Sputtering Target Wire
Foil Lump Rod Sputtering Target Wire

Choose a form to search our on-line catalog  

Index