Germanium Rod

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.

Formula: Ge
Percentage Purity: 99.999%
Diameter: 5mm
Length: 100mm
Electrical Type: N-Type
Structure: Polycrystalline
CAS Number: 7440-56-4
UOM Code: 602-081-07
Legacy Code: GE007920
Distributor Code: GF60208107

SKU: 1000117037

Product Code: GE00-RD-000120

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Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

Technical Data Sheet

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Safety Data Sheet

$2,517.02

each

Buy 5 for $2,038.78 each and save 19%
Buy 10 for $1,862.59 each and save 26%

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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