Pb0.94Sr0.04TeNa0.02 is a doped lead telluride ceramic compound, representing a modified variant of PbTe—a classic narrow-bandgap semiconductor material. This composition incorporates strontium and sodium dopants into the lead telluride lattice, tuning electrical and thermal transport properties for potential thermoelectric applications. The material belongs to the family of lead chalcogenides historically studied for mid-range thermoelectric conversion, though this specific doping profile appears to be a research-phase composition aimed at optimizing the balance between thermal and electrical conductivity.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Thermal Conductivity(k)2 entries | 1.231 | BTU/(hr·ft·°F) | — | ||
| ↳ | 1.228 | BTU/(hr·ft·°F) | 127°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Electrical Conductivity(σ) | 1,184 | S/cm | 127°C | ||
Electrical Resistivity(ρe) | 0.00000845 | Ω·m | 127°C | ||
Thermoelectric Power Factor(PF) | 0.00194 | W/(m·K²) | 127°C | ||
Seebeck Coefficient(S) | 128 | μV/K | 127°C | ||
Thermoelectric Figure of Merit(zT) | 0.3650 | - | 127°C |