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Silicon Foil

Formula: Si
Percentage Purity: 99.999%
Thickness: 1mm
Length 1: 10mm
Length 2: 10mm
Structure: Polycrystalline
CAS Number: 7440-21-3
UOM Code: 598-382-43
Legacy Code: SI003120
Distributor Code:
GF59838243
SKU: 1000180953
Product Code: SI00-SH-000120

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 14
Crystal structure Diamond
Electronic structure Ne 3s² 3p²
Valences shown 4
Atomic weight( amu ) 28.0855
Thermal neutron absorption cross-section( Barns ) 0.16
Photo-electric work function( eV ) 4.2
Natural isotope distribution( Mass No./% ) 30/ 3.10
Natural isotope distribution( Mass No./% ) 29/ 4.67
Natural isotope distribution( Mass No./% ) 28/ 92.23
Atomic radius - Goldschmidt( nm ) 0.117
Ionisation potential( No./eV ) 5/ 167
Ionisation potential( No./eV ) 1/ 8.15
Ionisation potential( No./eV ) 2/ 16.3
Ionisation potential( No./eV ) 3/ 33.5
Ionisation potential( No./eV ) 4/ 45.1
Ionisation potential( No./eV ) 6/ 205
Mechanical Properties
Element Value
Hardness - Mohs 7
Material condition Polycrystalline
Poisson's ratio 0.42
Bulk modulus( GPa ) 100
Tensile modulus( GPa ) 113
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 23 x 10¹⁰@20@20°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -41.56
Physical Properties
Element Value
Boiling point( C ) 2355
Density( gcm⁻³ ) 2.34@20°C
Thermal Properties
Element Value
Melting point( C ) 1410
Latent heat of evaporation( J g⁻¹ ) 13700
Latent heat of fusion( J g⁻¹ ) 1650
Specific heat( J K⁻¹ kg⁻¹ ) 703@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 80-150@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.7-7.6@0-100°C