Bi2Pb2Se5 is a layered bismuth-lead selenide ceramic compound belonging to the family of mixed-metal chalcogenides. This material is primarily explored in thermoelectric and topological materials research rather than established industrial production, offering potential for mid-to-high temperature heat-to-electricity conversion applications. Engineers consider this compound for specialized thermal management systems where its layered crystal structure and anisotropic properties could enable directional thermal or electronic control, though it remains largely in the development and characterization phase compared to conventional thermoelectric alternatives.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 40.07 | GPa | — | ||
Exfoliation Energy(Eexf) | 38.56 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 25.90 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.648 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.4930 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 106.3 | - | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -130.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00310 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4862 | eV/atom | — |