硒,溅射靶材, Se, 50 mm直径, 3mm厚
产品介绍
| 订货号 | 包装规格 | | Disc | | 243-094-02 | 50 mm |
产品参数 | Diameter[直径] | 50 mm | | Thickness[厚度] | 3mm | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 37.000 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 333 | | Latent heat of fusion ( J g⁻¹ ) | 69.00 | | Melting point ( C ) | 217.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 321.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.50 @0-100℃ | | Atomic Properties(原子属性) | | Atomic number | 34 | | Atomic weight ( amu ) | 78.96000 | | Crystal structure | Hexagonal | | Electronic structure | Ar3d¹⁰4s²4p⁴ | | Ionisation potential ( No./eV ) | 4 / 42.9 | | Ionisation potential ( No./eV ) | 6 / 81.7 | | Ionisation potential ( No./eV ) | 5 / 68.3 | | Ionisation potential ( No./eV ) | 1 / 9.75 | | Ionisation potential ( No./eV ) | 3 / 30.8 | | Ionisation potential ( No./eV ) | 2 / 21.2 | | Natural isotope distribution ( Mass No./% ) | 76 / 9.0 | | Natural isotope distribution ( Mass No./% ) | 82 / 9.2 | | Natural isotope distribution ( Mass No./% ) | 74 / 0.9 | | Natural isotope distribution ( Mass No./% ) | 80 / 49.8 | | Natural isotope distribution ( Mass No./% ) | 77 / 7.6 | | Natural isotope distribution ( Mass No./% ) | 78 / 23.5 | | Photo-electric work function ( eV ) | 5.90 | | Thermal neutron absorption cross-section ( Barns ) | 12.2000 | | Valences shown | -2 ,4,6 | | Physical Properties(物理性质) | | Boiling point ( C ) | 685 | | Density ( g cm⁻³ ) | 4.790 @20℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 8.3 | | Hardness - Mohs ( Polycrystalline ) | 2.00 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.447 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 58.00 | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 12@20℃ |
其他参数 公差 
环境 进入环境后可对环境的一个或多个组成部分构成即时或延迟危害的化学品。
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