Silicon

Silicon: physical properties

Temperatures

• Melting point: 1687 [or 1414 °C (2577 °F)] K
• Boiling point: 3173 [or 2900 °C (5252 °F)] K (liquid range: 1486  K
• Critical temperature: no data  K
• Superconduction temperature: no data  K

• Animate the above image by quicktime movie
• Animate the above image by animated gif

Expansion and conduction properties

• Thermal conductivity: 150  W m^-1 K^-1
• Coefficient of linear thermal expansion: 2.6  x 10^-6 K^-1

Bulk properties

• Density of solid: 2330  kg m^-3
• Molar volume: 12.06  cm³
• Velocity of sound: 2200  m s^-1

Elastic properties

• Youngs modulus: 47  GPa
• Rigidity modulus: no data  GPa
• Bulk modulus: 100  GPa
• Poissons ratio: no data  (no units)

Hardnesses

• Mineral hardness: 6.5  (no units)
• Brinell hardness: no data  MN m^-2
• Vickers hardness: no data  MN m^-2

Electrical properties

• Electrical resistivity: about 100000 10^-8 Ω m; or mΩ cm

Optical properties

The image above is a virtual representation of silicon metal calculated by Patrick Callet using the complex diectric function of the element only.

• Reflectivity: 28  %
• Refractive index: no data  (no units)

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Silicon	Silicium
Silicium	Silicium
Silicio	Silicio
Kisel	Silício