Er2SO2
ceramic· JVASP-7754· Er2SO2
Er2SO2 is a rare-earth sulfide ceramic compound containing erbium, belonging to the family of lanthanide chalcogenides. This material is primarily investigated in research contexts for its potential in high-temperature structural applications and optical/photonic devices, where the rare-earth dopant provides functional properties such as luminescence or thermal stability. While not yet widely commercialized, materials in this family are of particular interest to aerospace and advanced ceramics researchers seeking alternatives to traditional oxides in extreme environments or specialized optical systems.
High-temperature ceramics (research phase)Rare-earth optical materialsAerospace structural componentsPhotonic/luminescent applicationsAdvanced refractory compoundsThermal barrier coatings (developmental)
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 131.9 | GPa | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 72.85 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.304 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.186 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 13.95 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -208.3 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.470 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.