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Mateck Gallium Arsenide (GaAs)
| Category | Ceramic , Phosphide/Pnictide , Other Engineering Material , Semiconductor |
| Manufacturer | Mateck GmbH |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Mateck Gallium Arsenide (GaAs).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Optical crystals
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 5.316 g/cc @Temperature 20.0 °C |
0.1921 lb/in³ @Temperature 68.0 °F |
|
| Solubility | 0.00 ppm | 0.00 ppm | |
| a Lattice Constant | 5.653 Ã… | 5.653 Ã… | |
| Molecular Weight | 144.64 g/mol | 144.64 g/mol |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 6900 | 6900 | MPa |
| Hardness, Mohs | 4.5 | 4.5 | |
| Modulus of Elasticity | 85.0 GPa | 12300 ksi | |
| Poissons Ratio | 0.31 | 0.31 | |
| Shear Modulus | 32.4 GPa | 4700 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 5.39 µm/m-°C @Temperature 0.000 - 30.0 °C |
2.99 µin/in-°F @Temperature 32.0 - 86.0 °F |
|
| Specific Heat Capacity | 0.350 J/g-°C | 0.0837 BTU/lb-°F | |
| Thermal Conductivity | 46.05 W/m-K @Temperature 25.0 °C |
319.6 BTU-in/hr-ft²-°F @Temperature 77.0 °F |
|
| Melting Point | 1238 °C | 2260 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 3.34 | 3.34 | n8.0 |
| 2.41 @Wavelength 19000 nm |
2.41 @Wavelength 19000 nm |
||
| 2.82 @Wavelength 14500 nm |
2.82 @Wavelength 14500 nm |
||
| 3.34 @Wavelength 8000 nm |
3.34 @Wavelength 8000 nm |
||
| IR Transmittance | 1.0 % @Wavelength 900 nm |
1.0 % @Wavelength 900 nm |
Internal Transmittance |
| 2.0 % @Wavelength 15000 nm |
2.0 % @Wavelength 15000 nm |
Internal Transmittance | |
| 55 % @Wavelength 1500 nm |
55 % @Wavelength 1500 nm |
Internal Transmittance | |
| 60 % @Wavelength 10000 nm |
60 % @Wavelength 10000 nm |
Internal Transmittance |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Absorption loss (cm^-1) | 0.26 | at 8.0 microns |
| Symmetry Class | 43m F43m | |
| Syngony | cubic | |
| Transmission Range (microns) | 1 - 15 |
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