YAP with large density,high mechanical strength, stable chemical properties,not soluble in organic acid, alkali resistance, and has higher thermal conductivity and thermal diffusivity. YAP is a ideal laser substrate crystal.
| Formula | Y3AI2O12 |
| Molecular weight | 593.7 |
| Structure | cubic |
| Mohs hardness | 8-8.5 |
| Melting point | 1950℃ |
| Density | 4.55g/cm3 |
| Thermal conductivity | 0.14W/cmK |
| Special heat | 88.8J/gK |
| Thermal diffusivity | 0.050cm2/s |
| Expansion coefficient | 6.9×10-6/0C |
| Refractive index | 1.823 |
| Color | Colorless |