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OJSC GERMANIUM

660027, Russia, Krasnoyarsk, Transportniy proezd,1/107

germanium@made-in-zelenograd.com

Germanium monocrystalline

Physical, electronic properties
Atom number32
Atom weight72.6
Crystal StructureDiamond cubie
Grating Parameter, A5.657
Density (298°K) g/cm34.42×1022
Melting temperature, °C937
Boiling temperature, °C2830
Specific Thermal Capacity (0-100 °C), kal/g×degree0.074
Latent Heat of Fusion, kal/mol8100
Coefficient of Linear Thermal Expansion (293 °K), cm/degr6.1×10-6
Mohs Hardness6
Band Gap, direct (300 °K), e. V.0.67
Intrinsic drift mobility (300 °K), cm2/v.s.:
electrons3800*
holes1820*
Diffusion coefficient (300 °K), cm2/sec:
electrons101**
holes49**
Intrinsic Resistivity (300) °C Ohm×cm47

* - Morin F., Phisicist 94, volume 6 1954 p. 1525

** - Proz. August 1961 p. 1292

Specifications
Quality parameters (measurements)Mono for solar cells (SC-Solar Cell)Mono-IRMono of special application
Orientation[111], [100], [100+6—>111][111][111], [110], [100]
Conductivity typeN, PNN, P
DopantSb, GaSbSb, Ga, Au
Resistivity (p), Ohm×cmAs agreedStandart 5—40, other by customer request0.01—45
Density (EPD), cm-2less than 5000
Lienagenot more than ⅓ diameter, sum of lienage not more of 2 diameters
Slipsnon
Diameter, mmtill 1057.5—20020—35
Lenght, mm60 min50 min40 min
Special requirementsAs agreedOptical characteristics according to requirementsDenisty, resistivity, life time and others— as agreed

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