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.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 10,921.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.3600 | - | — | ||
Shear Modulus(G) | 3,472.2 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2797 | lb/in³ | — |
| 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 | — |
| 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 | — |