TlF
ceramic· TlF
TlF is an ionic ceramic compound composed of thallium and fluorine, belonging to the halide ceramic family. It is primarily of research interest for optics and specialized photonic applications where its transparency to infrared radiation and relatively high density make it suitable for specialized windows and lenses in analytical instruments. While not yet widely deployed in mainstream engineering applications, TlF represents an emerging material in the halide ceramic family with potential in infrared spectroscopy and thermal imaging systems, though toxicity concerns around thallium limit its adoption compared to alternative fluoride ceramics like CaF₂ or BaF₂.
infrared opticsspectroscopy windowsresearch/experimental applicationshalide ceramicsthermal imaging componentsphotonic materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 21.03 | GPa | — | ||
Exfoliation Energy(Eexf) | 66.56 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 9.360 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.516 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.097 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 20.91 | - | — | ||
| ↳ | 32.64 | - | — | ||
| ↳ | 32.11 range 4.730–59.49median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 1.960 | C/m² | — | ||
| ↳ | 0.000 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -224.3 | µV/K | — |
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) | 0.01360 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.687 | eV/atom | — | ||
| ↳ | -1.832 | eV/atom | — |
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
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.