LaSeF
ceramic· LaSeF
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.
infrared opticsoptical windowsphotonic researchspecialty ceramicslaser applicationsresearch compound
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.191 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.797 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 21.24 | - | — | ||
| ↳ | 12.73 range 6.547–18.91median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -3.178 | eV/atom | — |
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.