Er2SeO2 is an erbium selenite ceramic compound belonging to the rare-earth oxide family, characterized by its combination of erbium and selenium oxides. This material is primarily of research interest rather than established in mainstream industrial production, with potential applications in optical and electronic ceramics where rare-earth dopants are valued for their luminescent and electromagnetic properties. Engineers considering this compound would do so in specialized contexts such as photonic devices, laser materials, or high-temperature ceramics where erbium's unique optical absorption and emission characteristics offer advantages over conventional alternatives.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 123.3 | GPa | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 69.33 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.808 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.327 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 14.67 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -207.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.343 | eV/atom | — |