Germanium Pellets

Germanium Pellets are ultra-high-purity, solid semiconductor feedstock known for their excellent infrared transmission, high refractive index, and superior carrier mobility. Produced in spherical or near-spherical form for uniform melting and dosing, they serve as a critical material in infrared optics, high-speed electronics, and fiber-optic systems. Industries employ germanium pellets in IR imaging lenses, semiconductor wafers, and photodetectors. Specific uses include precision-shaped pellets for controlled doping in crystal growth, high-density feed in zone refining for electronics-grade germanium, and spherical particle fabrication via pulsed orifice ejection for semiconductor processing. In research, germanium pellets are pivotal for advancing IR spectroscopy, photovoltaic development, and nanostructured semiconductor devices, ensuring consistent quality and performance in both industrial manufacturing and experimental innovation.

Formula: Ge
Percentage Purity: 99.999%
Maximum Lump Size: 25mm
Weight: 20g
Structure: Polycrystalline
CAS Number: 7440-56-4
UOM Code: 652-251-23
Legacy Code: GE006100
Distributor Code: GF65225123

SKU: 1000116959

Product Code: GE00-LP-000100

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Tolerances

Pellet/Lump

Maximum Lump Size		Nominal

Tolerances

Pellet/Lump

Maximum Lump Size		Nominal

Technical Data Sheet

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Safety Data Sheet

$630.00

each

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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