Material, Technologie
& Kristalle GmbH
& Kristalle GmbH
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Silicon (Si)
We are a leading manufacturer and supplier of research materials
Crystallographic
| Syngony | Cubic |
|---|---|
| Symmetry Class | m3m Fd3m |
| Lattice Constants | a = 5.43089 Å |
Optical
| Refractive Index at n3.0 | 3.436 |
|---|---|
| Refractive Index at n5.0 | 3.426 |
| Thermal Coefficient of Refractive Index at 25 °C |
1.50 x 10-4 |
| Transmission Range, microns | 1.2 - 10, 50 - 100 |
Thermal
| Thermal Linear Expansion, °C-1 for 25 °C |
2.55 x 10-6 |
|---|---|
| Thermal Conductivity, W/(m * °C) at 27 °C |
159 |
| Specific Heat Capacity, J/(kg * °C) | 0.712 x 103 |
| Melting Point, °C | 1412 |
Mechanical
| Density, g/cm3 at 20 °C | 2.329 |
|---|---|
| Mohs Hardness | 7 |
| Young Modulus (E), Pa | 1.89 x 1010 |
| Shear Modulus (G), Pa | 7.99 x 1010 |
| Poisson Ratio | 0.266 |
Chemical
| Molecular Weight | 28.09 |
|---|---|
| Solubility | insoluble |
Ref. Index vs. Wavelength l
| Wavelength, Microns | Refractive Index |
|---|---|
| 1.5 | 3.484 |
| 2.0 | 3.456 |
| 3.0 | 3.436 |
| 4.0 | 3.429 |
| 5.0 | 3.426 |
| 6.0 | 3.424 |
| 7.0 | 3.423 |
| 8.0 | 3.422 |
| 9.0 | 3.422 |
Custom sizes and specifications are available on request.
Overview of elements with access to our shop
Tel.: +49 (0) 2461 - 9352 - 0
Fax: +49 (0) 2461 - 9352 - 11
Fax: +49 (0) 2461 - 9352 - 11