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.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 37.10 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 21.19 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.388 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -6.690 | µV/K | — |
| 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 | — |