Lanthanum fluoride (LaF3) is an ionic ceramic compound belonging to the rare-earth fluoride family, valued for its optical transparency across the infrared spectrum and chemical stability. It is primarily used in infrared optics, laser systems, and specialized optical coatings where transmission of mid- to long-wave infrared radiation is critical; engineers select it over standard glasses and oxides when wide spectral windows and thermal robustness are required. The material is also explored in research applications including scintillator development and nuclear fuel-related ceramics, though commercial adoption remains concentrated in the photonics and aerospace optics sectors.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 136.6 | GPa | — | ||
Poisson's Ratio(ν) | 0.4300 | - | — | ||
Shear Modulus(G) | 55.74 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.914 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 6.600 | eV | — | ||
| ↳ | 6.245 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 14.05 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -508.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -4.487 | eV/atom | — | ||
| ↳ | -4.423 | eV/atom | — |