Germanium (Ge) crystals are crystalline forms of the element germanium. Germanium is a semiconductor material commonly used in electronics and optics.
General Specification
Germanium crystals are utilized in various applications, including:
- Semiconductor Devices: Germanium crystals are used in the manufacture of semiconductor devices such as diodes and transistors. Historically, germanium was widely used in electronics, particularly in the early days of semiconductor technology, before it was largely replaced by silicon.
- Infrared Optics: Germanium has excellent transparency in the infrared region of the electromagnetic spectrum. As a result, germanium crystals are used in infrared optical components such as lenses and windows for thermal imaging systems, infrared spectroscopy, and other applications requiring infrared transmission.
- Solar Cells: Germanium crystals are also used in the production of some types of solar cells, particularly in high-efficiency multijunction solar cells used in space applications.
- Gamma-Ray Detectors: Germanium crystals are used as detectors in gamma-ray spectroscopy due to their high density and good energy resolution.
- Crystal Growth Research: Germanium crystals are used in research laboratories for studying crystal growth processes and for developing new materials and technologies.
When visualizing Germanium crystals, you might find images of raw germanium crystal boules (large cylindrical ingots), sliced wafers used in semiconductor manufacturing, or polished optical components such as lenses or windows. These images can provide insight into the appearance and structure of germanium crystals and their applications.
General Specification
Ge Crystals | |
|
Diameter（mm） |
12mm～380mm |
|
Length（mm） |
Customized |
|
Electrical Resistivity |
0.005Ω～50Ω/cm |
|
Crystal Structure |
Single Crystal,PolyCrystal |
|
Crystal Purity |
99.999%～99.9999% |
|
ConductionType |
N/P |
|
Surface Roughness |
Ramax0.2μm to 4.0μm |
|
Retractive Index at 10.6μm |
4.0052 |
|
Absorptance at 10.6μm |
≤0.035 |
Common Questions Regarding to Germanium
A complete guide how to select optical Germanium crystal.
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