ErSe
ceramic· JVASP-14574· ErSe
Erbium selenide (ErSe) is a rare-earth ceramic compound belonging to the lanthanide chalcogenide family, typically studied as a narrow-bandgap semiconductor or optoelectronic material. While primarily a research material rather than a widely commercialized engineering ceramic, ErSe is investigated for infrared optics, photonic devices, and potentially for thermoelectric applications due to its rare-earth electronic structure. Engineers would consider this material for specialized high-performance applications requiring infrared transparency or unique electronic properties where cost and processing complexity are secondary to functional performance.
infrared optics and windowssemiconductor research devicesphotonic applicationsthermoelectric materialsrare-earth compound studieshigh-temperature ceramics
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 12,748.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 6,805.2 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3210 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6890 range 0.000–1.378median of 2 measurements | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -8.530 | 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) | -1.756 | 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.