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ZnO
ZnO is a excellent substrate for epitaxy of GaN ( blue LED), wide band junction devices. We can offer high quality and competitive price of ZnO blocks and polishing wafers.
Typical Physical Properties |
Structure
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Hexagonal P63mc |
Melting Point ( ℃ ) |
1975 |
Density (g/cm3 ) |
5.605 |
Heat Capacity (J/g.k) |
0.125 |
Thermal Expansion (10-6 /K) |
6.5 // a 3.7 // c |
Thermal Conductivity ( W /m.k at 300K ) |
30 |
Transparent wavelength (µ) |
0.4 ~ 0.6 |
Refractive Index |
1.922 (o) 1.936 (e) |
Growth Method |
Hydro-thermal |
Max Crystal Size |
20x20x10 |
| Standard Size |
Special size and orientation are available upon request. |
| Orientation Accuracy |
±0.3o |
Polishing & Micro Roughness |
Single or double sides polished
Ra<5 Å |
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