Sb₂Te₄Pb is a ternary chalcogenide ceramic compound combining antimony, tellurium, and lead—part of the thermoelectric and semiconductive materials family. This material is primarily of research interest for thermoelectric energy conversion applications, where it may be evaluated for solid-state cooling, waste heat recovery, or power generation in specialized environments; it belongs to the broader lead telluride (PbTe) family, which has established use in high-temperature thermoelectric devices. The addition of antimony represents compositional optimization to tune thermal and electrical properties for specific temperature ranges, making it potentially relevant where alternatives like binary PbTe or Bi₂Te₃ compounds may not meet performance or cost targets.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 35.13 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 24.72 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.717 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.2510 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 42.71 | - | DFT · OptB88vdW | ||
Electron Effective Mass(m*e) | 0.07333 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.08333 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00338 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00188 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -205.8 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 189.2 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01280 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.2041 | 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