Neodymium Gallat Substrate
Materials properties | ||
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Structure formula: | NdGaO3 | |
State: | monocrystalline | |
Crystal structure: | orthorhombic Perowskite cell | a = 5.426 Å b = 5.496 Å c = 7.707 Åa,c = 3.863 Å b = 3.854 Å |
Phase transition: | No (RT to 1300°C) | |
Density: | 7.57 g/cm3 | |
Melting point: | 1600°C | |
Coefficient of expansion: | 11 * 10-6/°C |
Substrate properties | ||
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Production method: | Czochralski grown | |
Orientation: | (110) | |
Orientation accuracy: | £ 0.5° | |
Standard size: | 10mm x 10mm x thickness 1mm or 0.5mm | |
Tolerance of length: | ± 0.10mm | |
Tolerance of thickness: | ± 0.05mm | |
Parallelness: | £ 0.02 | |
Polishing: | standard: one side | |
Flatness: | ¼ | |
Roughness of surface: | Rmax £ 3nm (average Ra=1nm) | |
Scratches: | None | |
Surface quality: | with light microscope without defects |