Dysprosium arsenate (DyAsO4) is a rare-earth ceramic compound belonging to the zircon-family phosphate/arsenate mineral class, characterized by a tetragonal crystal structure and high density. While primarily a research and development material rather than a widely commercialized product, DyAsO4 is investigated for high-temperature applications and specialized optical/photonic systems where rare-earth dopants are leveraged for luminescence and thermal stability. Engineers consider rare-earth arsenates in niche applications requiring chemical inertness at elevated temperatures, though practical adoption remains limited compared to established alternatives like rare-earth phosphates or oxides.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 142.4 | GPa | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 68.15 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.235 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.838 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -130.1 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.528 | eV/atom | — |