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Formula: Ge
Form: Rod
Material: Germanium
CAS Number: 7440-56-4
Commodity: Metals
Purity:
99.999%
Our Germanium Rods are made from a highly pure single crystal semiconductor material. With 17 size variations available, these rods exhibit properties like high carrier mobilities and low optical losses, making them ideal for applications in electronics and optics. Ultra-pure Germanium Rods support the precision manufacturing of semiconductor devices, optical lenses, and other advanced components requiring a defect-free crystal structure.
Tolerances
Rod
| Diameter | =<10mm | ±10% |
|---|---|---|
| Diameter | >10mm | ±5% |
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 |
Other Customers Purchased
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Yttrium Rod Formula: Y
Percentage Purity: 99%
Diameter: 6.35mm
Length: 50mm
Production Method: Cast
CAS Number: 7440-65-5
UOM Code: 113-013-98
eachStarting at $158.99
Discounts applied for volume purchases -
Zinc/Aluminum Alloy Rod (Zn96/Al 4) Formula: Zn96/Al 4
Diameter: 20mm
Length: 500mm
UOM Code: 102-110-38
eachStarting at $299.54
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Zirconium Phosphate Machinable Ceramic Rod Formula: Ba Zr₄P₆O₂₄
Diameter: 12.7mm
Length: 127mm
UOM Code: 064-367-40
eachStarting at $940.24
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Zinc Rod Formula: Zn
Percentage Purity: 99.999%
Diameter: 2mm
Length: 200mm
CAS Number: 7440-66-6
UOM Code: 001-562-48
eachStarting at $232.85
Discounts applied for volume purchases -
Zirconium Rod Formula: Zr
Percentage Purity: 99.2%
Diameter: 1.5mm
Length: 500mm
CAS Number: 7440-67-7
UOM Code: 013-119-50
eachStarting at $188.97
Discounts applied for volume purchases -
Ytterbium Rod Formula: Yb
Percentage Purity: 99%
Diameter: 6.35mm
Length: 100mm
Production Method: Cast
CAS Number: 7440-64-4
UOM Code: 258-115-02
eachStarting at $642.78
Discounts applied for volume purchases
