Yttrium Orthoaluminate (YAlO3) Crystal Substrates
Yttrium Orthoaluminate (YAlO3) Crystal Substrates
Yttrium Orthoaluminate (YAlO3) is also referred to as yttrium aluminum perovskite (YAP). It has a perovskite-like orthorhombic crystal structure (a= 5.330(2)Å, b= 7.375(2)Å, c= 5.180(2)Å; space group Pnma-D162h). YAP substrate is widely used for growth of high temperature superconducting (HTS) thin film, II-V nitride and oxide films. Tm, Nd, Pr, Er and Cr doped YAP crystals are commonly used for laser applications.
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| Crystal Structure | Orthorhombic |
| Melting Point | 1870 °C |
| Density | 4.88g cm-3 |
| MOHS Hardness | 8.5 |
| Orientation | (010), (100), (001), (110) |
| Size | 5x5x0.5mm, 10x10x0.5mm or other sizes upon request |
| Polishing | Single Side or Double Side polishing |
|
Refractive Index @ 632.8 nm |
1.96(a) 1.94(b) 1.97(c) |
| Coefficient of Thermal Expansion |
2.32 x 10-6 K-1 (a) 8.08 x 10-6 K-1 (b) 8.7 x 10-6 K-1 (c) |
References
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