Lanthanum sulfide (LaS) is an inorganic ceramic compound belonging to the rare-earth chalcogenide family, characterized by ionic bonding between lanthanum cations and sulfide anions. While primarily a research material rather than a commodity engineering ceramic, LaS is investigated for high-temperature applications and specialized optical or electronic functions where rare-earth ceramics offer advantages over conventional oxides. Its potential lies in niche applications requiring thermal stability, chemical inertness, or specific electronic properties inherent to rare-earth compounds.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 12,149.8 | ksi | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 7,002.4 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2017 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -7.960 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.448 | eV/atom | — | ||
| ↳ | -2.360 | eV/atom | — |