Diameter[直径] | 12.2mm |
Length[长度] | 25.4 mm |
Orientation[定向/导向] | Not Identified |
Purity[纯度] | 99.999% |
Type[类型] | Single Crystal |
Typical Analysis(典型分析) |
Al | <1 PPM |
Ba | <2 PPM |
Bi | <2 PPM |
Ca | <1 PPM |
Cd | <1 PPM |
Cu | <1 PPM |
Physical Properties(物理性质) |
Boiling point ( C ) | 2355 |
Density ( g cm⁻³ ) | 2.340 @20℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) | 100.0 |
Hardness - Mohs ( Polycrystalline ) | 7.00 |
Material condition | Polycrystalline |
Poisson's ratio ( Polycrystalline ) | 0.420 |
Tensile modulus ( GPa ) ( Polycrystalline ) | 113.00 |
Atomic Properties(原子属性) |
Atomic number | 14 |
Atomic weight ( amu ) | 28.08550 |
Crystal structure | Diamond |
Electronic structure | Ne3s²3p² |
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 |
Natural isotope distribution ( Mass No./% ) | 30 / 3.10 |
Natural isotope distribution ( Mass No./% ) | 29 / 4.67 |
Natural isotope distribution ( Mass No./% ) | 28 / 92.23 |
Photo-electric work function ( eV ) | 4.20 |
Thermal neutron absorption cross-section ( Barns ) | 0.1600 |
Valences shown | 4 |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) | 23x10¹⁰@20℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | -41.56 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 4.700 - 7.600 @0-100℃ |
Latent heat of evaporation ( J g⁻¹ ) | 13700 |
Latent heat of fusion ( J g⁻¹ ) | 1650.00 |
Melting point ( C ) | 1410.00 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 703.0 @25℃ |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 80.00 - 150.00 @0-100℃ |