Germanium for solar application
Packing:
Hermetic polyethylene bag packed in the cartoon box, which are filled with protective material from damage.
Number and weight of the ingot are shown on the package.
Send requestE-mail: marketing@krasgermanium.com
Packing:
Hermetic polyethylene bag packed in the cartoon box, which are filled with protective material from damage.
Number and weight of the ingot are shown on the package.
Send request
Quality parameters (measurements) |
Mono for solar cells (SC-Solar Cell) |
Mono- IR |
Mono of special application |
Orientation |
[111],[100], |
[111] , [100] |
[111] , [110] |
Conductivity type |
N |
N |
N,P |
Dopant |
Sb |
Sb |
Sb,Ga,Au |
Resistivity (r), Ohm×сm |
As agreed |
Standard 5-40, other by customer request |
0.01-45 |
Density (EPD) см-2 |
< 5× 103 |
<105 |
<105 |
Linage |
not more than 1/3 diameter, sum of linage not more of 2 diameters |
|
|
Slips |
non |
|
|
Diameter, mm | Till 105 | 7.5-400 | 20-35 |
Length, mm | 60 min | 30 min | 40 min |
Special requirements | As agreed | Optical characteristics according to requirements | Density, resistivity, life time and others – as agreed |
Atom Number |
32 |
Atom Weight |
72.6 |
Crystal Structure |
Diamond cubic |
Grating Parameter, А |
5.657 |
Density (298 °К), g/cm3 |
5.323 |
Atomic Density , atoms/cm3 |
4.42 × 1022 |
Melting Temperature, °С |
937 |
Boiling Temperature,°С |
2830 |
Specific Thermal Capacity (0-100°C), kal/g degree |
0.074 |
Latent Heat of Fusion, kal/mol |
8100 |
Coefficient of Linear Thermal Expansion (293°К), cm/degr |
6.1 x 10-6 |
Mohs Hardness |
6 |
Band Gap, direct(300 °К), e. V |
0.67 |
Intrinsic Carriers Concentration (300 °К), cm -3 |
р, n= 2 * 1013 |
Intrinsic Drift Mobility ( 300°К), cm2 / v.s: electrons holes |
3800 1820 |
Diffusion Coefficient (300°К), cm2 / sec: electrones holes |
101 49 |
Intrinsic Resistivity (300°К), Оhm × сm |
47 |