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Formula: Se
Form: Sputtering Target
Material: Selenium
CAS Number: 7782-49-2
Commodity: Metals
Thickness: 3mm
Diameter: 50mm
Hazard Pictogram: GHS06, GHS08, GHS09
Our Selenium Sputtering Targets are valued in the semiconductor industry to deposit thin films of selenium onto substrates via physical vapor deposition. Selenium itself is a nonmetallic element that’s photoconductive with a high melting point. These properties mean that it’s used as a film in applications such as photovoltaics, photocopiers, light meters and solar cells. Providing a controlled, uniformed and reliable coating, Selenium Sputtering Targets meet the needs of both research and manufacturing.
Technical Data Sheet Safety Data Sheet Tolerance Properties

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 34
Crystal structure Hexagonal
Electronic structure Ar 3d¹⁰ 4s² 4p⁴
Valences shown -2,4,6
Atomic weight( amu ) 78.96
Thermal neutron absorption cross-section( Barns ) 12.2
Photo-electric work function( eV ) 5.9
Natural isotope distribution( Mass No./% ) 76/ 9.0
Natural isotope distribution( Mass No./% ) 82/ 9.2
Natural isotope distribution( Mass No./% ) 74/ 0.9
Natural isotope distribution( Mass No./% ) 80/ 49.8
Natural isotope distribution( Mass No./% ) 77/ 7.6
Natural isotope distribution( Mass No./% ) 78/ 23.5
Atomic radius - Goldschmidt( nm ) 0.116
Ionisation potential( No./eV ) 4/ 42.9
Ionisation potential( No./eV ) 6/ 81.7
Ionisation potential( No./eV ) 5/ 68.3
Ionisation potential( No./eV ) 1/ 9.75
Ionisation potential( No./eV ) 3/ 30.8
Ionisation potential( No./eV ) 2/ 21.2
Mechanical Properties
Element Value
Hardness - Mohs 2
Material condition Polycrystalline
Poisson's ratio 0.447
Bulk modulus( GPa ) 8.3
Tensile modulus( GPa ) 58
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 12@20@20°C
Physical Properties
Element Value
Boiling point( C ) 685
Density( gcm⁻³ ) 4.79@20°C
Thermal Properties
Element Value
Melting point( C ) 217
Latent heat of evaporation( J g⁻¹ ) 333
Latent heat of fusion( J g⁻¹ ) 69
Specific heat( J K⁻¹ kg⁻¹ ) 321@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 37@0-100°C

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