When requesting a quotation please specify the material, dimensions, orientation, type and concentration of dopants, surface finish and quantity required.
Although this crystal is normally held in stock ready for immediate shipment it is an example of crystals which may be grown to order with a delivery forecast of 20-30 weeks.
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参数
| Diameter[直径] | 5mm |
| Orientation[定向/导向] | (100) |
| Purity[纯度] | 99.99% |
| Quantity[数量] | 1 Piece |
| Surface Finish[表面光洁度] | Polished On One Side To 1 Micron |
| Thickness[厚度] | 1mm |
| Mechanical Properties(机械性能) |
| Bulk modulus ( GPa ) ( Hard ) | 311.0 |
| Bulk modulus ( GPa ) ( Soft ) | 311.0 |
| Hardness - Vickers ( kgf mm⁻2 ) ( Hard ) | 500 |
| Hardness - Vickers ( kgf mm⁻2 ) ( Soft ) | 360 |
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio ( Hard ) | 0.280 |
| Poisson's ratio ( Soft ) | 0.280 |
| Tensile modulus ( GPa ) ( Hard ) | 411.00 |
| Tensile modulus ( GPa ) ( Soft ) | 411.00 |
| Tensile strength ( MPa ) ( Hard ) | 1920.00 |
| Tensile strength ( MPa ) ( Soft ) | 550.00 - 620.00 |
| Yield strength ( MPa ) ( Soft ) | 550.0 |
| Atomic Properties(原子属性) |
| Atomic number | 74 |
| Atomic weight ( amu ) | 183.85000 |
| Crystal structure | Body Centred Cubic |
| Electronic structure | Xe4f1⁴5d⁴6s2 |
| Ionisation potential ( No./eV ) | 1 / 7.98 |
| Ionisation potential ( No./eV ) | 2 / 17.7 |
| Natural isotope distribution ( Mass No./% ) | 183 / 14.3 |
| Natural isotope distribution ( Mass No./% ) | 182 / 26.3 |
| Natural isotope distribution ( Mass No./% ) | 186 / 28.6 |
| Natural isotope distribution ( Mass No./% ) | 180 / 0.1 |
| Natural isotope distribution ( Mass No./% ) | 184 / 30.7 |
| Photo-electric work function ( eV ) | 4.55 |
| Thermal neutron absorption cross-section ( Barns ) | 18.5000 |
| Valences shown | 2 ,3,4,5,6 |
| Electrical Properties(电气特性) |
| Electrical resistivity ( μOhmcm ) | 5.4@20℃ |
| Superconductivity critical temperature ( K ) | 0.0154 |
| Temperature coefficient ( K⁻1 ) | 0.00480 @0-100℃ |
| Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 1.12 |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻1 ) | 4.500 @0-100℃ |
| Latent heat of evaporation ( J g⁻1 ) | 4009 |
| Latent heat of fusion ( J g⁻1 ) | 192.00 |
| Melting point ( C ) | 3410.00 |
| Specific heat ( J K⁻1 kg⁻1 ) | 133.0 @25℃ |
| Thermal conductivity ( W m⁻1 K⁻1 ) | 173.00 @0-100℃ |
| Physical Properties(物理性质) |
| Boiling point ( C ) | 5660 |
| Density ( g cm⁻3 ) | 19.300 @20℃ |
其他参数
公差
| 导向 |
| ±3° |
|---|
| 直径 | 仅有名义尺寸 |
|---|
| 长度 | 仅有名义尺寸 |
|---|
| 厚度 | 仅有名义尺寸 |
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