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锗,块, Ge, 12.5mm Max. Lump Size, 5N
锗,块, Ge, 12.5mm Max. Lump Size, 5N图片
品牌:Goodfellow
纯度含量:99.999%
产地:英国


产品介绍
订货号包装规格
Weight
780-027-3720g
782-525-7650g
899-707-66100g

产品参数

Electrical Type[电气类型]P-Type
Maximum Lump Size[]12.5mm
Purity[纯度]99.999%
Structure[结构]Polycrystalline
Weight[重量]20g - 100g
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 number32
Atomic weight ( amu )72.59000
Crystal structureDiamond
Electronic structureAr3d¹⁰4s²4p²
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 shown2 ,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 conditionPolycrystalline
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
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