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Gallium Arsenide (GaAs)
| Syngony |
Cubic |
| Symmetry Class |
43m F43m |
| Lattice Constants |
a = 5.653 Å |
| Refractive Index at n8.0 |
3.34 |
| Transmission Range, microns |
1 - 15 |
| Absorbance m (l), cm -1 |
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| at 8.0 microns |
0.26 |
Thermal Linear Expansion, °C-1
for 0-30 °C |
5.39 x 10-6 |
Thermal Conductivity, W/(m * °C)
at 25 °C |
46.05 |
| Specific Heat Capacity, J/(kg * °C) |
350 |
| Melting Point, °C |
1238 |
| Density, g/cm3 at 20 °C |
5.316 |
| Mohs Hardness |
4.5 |
| Vickers Microhardness, Pa |
6.9 x 109 |
| Young Modulus (E), Pa |
85 x 109 |
| Poisson Ratio |
0.31 |
| Molecular Weight |
144.64 |
| Solubility |
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| in water, gram/100 cm3 |
insoluble |
| Wavelength, Microns |
Refractive Index |
| 8.0 |
3.34 |
| 10.0 |
3.035 |
| 14.5 |
2.82 |
| 17.0 |
2.59 |
| 19.0 |
2.41 |
Custom sizes and specifications are available on request.
© 1996 - 2008 MaTecK GmbH - Im Langenbroich 20 - D-52428 Juelich - phone: +49 (0) 2461 / 9352-0 - fax: +49 (0) 2461 / 9352-11 - Contact: info@mateck.de
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Crystallographic