Lead sulfide (Pb₂S) is an inorganic ceramic compound belonging to the metal chalcogenide family, combining lead with sulfur in a crystalline structure. Historically important as a natural mineral (galena) and synthetic form, it has been explored for infrared sensing and photovoltaic applications due to its semiconductor properties, though its use is limited in modern engineering by toxicity concerns and the availability of superior alternatives. Engineers considering this material should weigh its narrow applicability against regulatory restrictions on lead-containing compounds in most commercial sectors.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 28.26 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.4500 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 7.770 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.755 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.3968 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.04050 | 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