锗,片, Ge, 20mm直径, 1mm厚, 5N
| 品牌: | Goodfellow | | 纯度含量: | 99.999% | | 产地: | 英国 |
产品介绍
Oriented : (100) | 订货号 | 包装规格 | | Disc | | 907-548-58 | 20mm |
产品参数 | Diameter[直径] | 20mm | | Orientation[定向/导向] | (100) | | Purity[纯度] | 99.999% | | Thickness[厚度] | 1mm | | Type[类型] | Single Crystal | | Typical Analysis(典型分析) | | Ag | <1 PPM | | Al | <1 PPM | | Ba | <1 PPM | | Mg | <1 PPM | | Mn | <1 PPM | | Mo | <2 PPM | | Ni | <1 PPM | | Pb | <2 PPM | | Si | <1 PPM | | Sn | <2 PPM | | Ti | <3 PPM | | Zn | <1 PPM | | Physical Properties(物理性质) | | Boiling point ( C ) | 2830 | | Density ( g cm⁻³ ) | 5.320 @20℃ | | Atomic Properties(原子属性) | | Atomic number | 32 | | Atomic weight ( amu ) | 72.59000 | | Crystal structure | Diamond | | Electronic structure | Ar3d¹⁰4s²4p² | | Ionisation potential ( No./eV ) | 4 / 45.7 | | Ionisation potential ( No./eV ) | 3 / 34.22 | | Ionisation potential ( No./eV ) | 1 / 7.90 | | Ionisation potential ( No./eV ) | 5 / 93.5 | | Ionisation potential ( No./eV ) | 2 / 15.93 | | Natural isotope distribution ( Mass No./% ) | 72 / 27.4 | | Natural isotope distribution ( Mass No./% ) | 73 / 7.8 | | Natural isotope distribution ( Mass No./% ) | 76 / 7.8 | | Natural isotope distribution ( Mass No./% ) | 70 / 20.5 | | Natural isotope distribution ( Mass No./% ) | 74 / 36.5 | | Photo-electric work function ( eV ) | 4.80 | | Thermal neutron absorption cross-section ( Barns ) | 2.3000 | | Valences shown | 2 ,4 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 5.750 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 4516 | | Latent heat of fusion ( J g⁻¹ ) | 465.00 | | Melting point ( C ) | 937.40 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 322.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 60.20 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 73.9 | | Hardness - Mohs ( Polycrystalline ) | 6.25 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.320 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 79.90 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 46x10⁶@22℃ | | Thermal emf against Pt (cold 0C - hot 100C) ( mV ) | 33.90 |
其他参数 公差 | 长度 | <100mm | ±1mm |
|---|
| ≥100mm | +2% / -1% | | 直径 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 厚度 | | ±10% |
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| 陶瓷 | ±20% | | 复合材料 | ±20% | | 聚合物 | ±20% | | 长度 1 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 长度 2 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% |
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