GeBi4Te7
ceramic· JVASP-13043· GeBi4Te7
GeBi₄Te₇ is a quaternary chalcogenide ceramic compound belonging to the family of germanium-bismuth tellurides, materials primarily investigated for thermoelectric and phase-change applications. This material exists primarily in research and development contexts rather than established industrial production, with potential relevance to solid-state cooling systems, thermal energy harvesting, and memory storage technologies where the combination of germanium, bismuth, and tellurium provides tunable electronic and thermal transport properties.
thermoelectric devicesphase-change memorysolid-state coolingthermal energy harvestingresearch materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2625 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.5380 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -227 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00490 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2125 | 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.