Bi4Te7Pb
ceramic· JVASP-12475· Bi4Te7Pb
Bi4Te7Pb is a bismuth telluride-based ceramic compound doped with lead, belonging to the family of thermoelectric materials derived from Bi2Te3 systems. This material is primarily investigated for thermoelectric energy conversion applications, where it serves as an alternative or complementary composition to traditional bismuth telluride thermoelectrics, with the lead addition potentially modifying electronic and thermal transport properties. The compound finds application in solid-state cooling and power generation near room temperature, and its development reflects ongoing research to enhance the performance-to-cost ratio and thermal stability of thermoelectric devices compared to conventional alternatives.
thermoelectric cooling deviceswaste heat recovery systemssolid-state power generationresearch and development materialstemperature control modulesmaterials optimization studies
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 32.64 | GPa | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 22.01 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.536 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.4230 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -169.8 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00770 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2671 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.