LaSe
ceramic· LaSe
LaSe is a lanthanum selenide ceramic compound belonging to the rare-earth chalcogenide family, characterized by ionic bonding between lanthanum cations and selenide anions in a rock-salt crystal structure. This material is primarily investigated in research contexts for infrared optics, semiconductor applications, and solid-state physics due to its wide bandgap and thermal stability. Engineers consider LaSe when designing mid-infrared optical windows, thermal imaging systems, or studying rare-earth compound behavior, though it remains less commercialized than alternative infrared ceramics like zinc selenide or chalcogenide glasses.
infrared optics and windowsthermal imaging systemsresearch semiconductorsrare-earth material studiessolid-state device components
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 5,380.9 | ksi | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 3,073.3 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2308 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -6.690 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04970 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.099 | eV/atom | — | ||
| ↳ | -2.066 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
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.