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Formula: Ge
Form: Thin Film
Material: Germanium
CAS Number: 7440-56-4
Commodity: Metals
Purity:
99.9999%
Support:
Aluminium 6µm
Germanium thin films from Goodfellow offer a maximum purity of 99.9999% (6N), ensuring high performance in optical and electronic applications. Germanium’s semiconductor properties, infrared transparency, and high refractive index make it indispensable in fiber optics, solar cells, and infrared optics. Specific uses include radiation detectors and advanced photovoltaic systems. In research, germanium’s ultra-purity supports precision experiments in particle physics and photonics innovation. Its role in enabling cutting-edge technologies underscores its significance across industries. Germanium’s unique properties also make it crucial for developing high-efficiency multi-junction solar cells and advanced optical communication systems.
Tolerances
Thin Film
| Thickness | ±30% |
|---|
Sizes
| Linear dimension | ±20% |
|---|
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 32 |
| Crystal structure | Diamond |
| Electronic structure | Ar 3d¹⁰ 4s² 4p² |
| Valences shown | 2,4 |
| Atomic weight( amu ) | 72.59 |
| Thermal neutron absorption cross-section( Barns ) | 2.3 |
| Photo-electric work function( eV ) | 4.8 |
| 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 |
| Atomic radius - Goldschmidt( nm ) | 0.139 |
| 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 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Mohs | 6.25 |
| Material condition | Polycrystalline |
| Poisson's ratio | 0.32 |
| Bulk modulus( GPa ) | 73.9 |
| Tensile modulus( GPa ) | 79.9 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 46x10⁶@22@22°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 33.9 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2830 |
| Density( gcm⁻³ ) | 5.32@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 937.4 |
| Latent heat of evaporation( J g⁻¹ ) | 4516 |
| Latent heat of fusion( J g⁻¹ ) | 465 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 322@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 60.2@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 5.75@0-100°C |
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VICTREX® APTIV® 1000 PEEK Film Grade: VICTREX® APTIV® 1000
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VICTREX® APTIV® 2000 PEEK Film Grade: VICTREX® APTIV® 2000
Formula: PEEK
Thickness: 0.038mm
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VICTREX® APTIV® 1102 20% mineral filled PEEK Film Grade: VICTREX® APTIV® 1102
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Vespel® SP1 PI Film Grade: Vespel® SP1
Formula: PI
Thickness: 9.525mm
Length 1: 25mm
Length 2: 25mm
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VICTREX® APTIV® 1300 PEEK Film Grade: VICTREX® APTIV® 1300
Formula: PEEK
Thickness: 0.075mm
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Length 2: 100mm
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