PbF2
ceramic· PbF2
Lead fluoride (PbF₂) is an ionic ceramic compound belonging to the fluoride mineral family, characterized by its cubic crystal structure and high density. It is primarily used in optics and spectroscopy applications, particularly as a window material and lens component in infrared imaging systems operating in the mid- to far-infrared spectrum where its transparency is exceptional. PbF₂ is valued in specialized scientific and defense instrumentation for its optical properties in wavelength ranges where conventional materials like glass are opaque, though its toxicity and handling requirements limit it to closed, controlled environments.
infrared optics and windowsthermal imaging systemsspectroscopy instrumentationdefense and aerospace opticslaboratory optical componentshigh-temperature optical applications
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 75.30 | GPa | — | ||
Poisson's Ratio(ν) | 0.3600 | - | — | ||
Shear Modulus(G) | 23.94 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.743 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.582 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 24.02 | - | — | ||
| ↳ | 14.74 range 3.386–26.10median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 1.326 | C/m² | — | ||
| ↳ | 0.000 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -283.2 | 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) | 0.00300 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.335 | eV/atom | — | ||
| ↳ | -2.507 | 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.