LaSeF is a lanthanum selenide fluoride ceramic compound that belongs to the family of mixed-anion ceramics combining rare-earth, chalcogenide, and halide elements. This material is primarily of research interest for optical and photonic applications, where its unique electronic structure and potential transparency in infrared wavelengths make it a candidate for specialized optical windows, fiber optics, and laser systems operating in mid-to-far-IR regions.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.191 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.797 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 21.24 | - | DFT · PBE | ||
| ↳ | 12.73 range 6.547–18.91median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 6.490 | - | DFT · OptB88vdW | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -3.178 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data