Crystal properties
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Crystal growth method |
Arc furnace |
Crystal growth orientation |
(100) |
Maximum size |
Up to 2 inch |
Variations |
Doped crystals (Fe, Ti, Ni, Cr, V, Cu, Mn, Zn,Co) Other dopands on request |
Crystallographic properties |
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Crystallographic structure |
Cubic a = 4.212 Å |
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Twinning structure |
Twinfree |
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Colour
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Colourless |
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Physical properties |
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Density |
3.585 g/cm3 |
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Melting point |
2780 +/- 20 °C |
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Thermal expansion coefficient |
8 * 10-6 K-1 |
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Hardness in Microvickers 500 g |
orientation |
(100) (110) (111) 910 990 980 |
Physical properties cont. |
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Dielectric constant |
< 9.5 |
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Dielectric loss tangent |
3.3 * 10-7 |
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Specific resistivity |
> 1017Ohm/cm |
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Optical properties |
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Transmission range |
0.2 to 8 µm |
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Refraction index |
nc = 1.77197 - 1.72267 |
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X-ray properties |
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Orientation |
(100), (110), (111) |
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Other orientations on request |
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