Tb3CuGeS7
metal· JVASP-25653· Tb3CuGeS7
Tb3CuGeS7 is a ternary intermetallic sulfide compound combining terbium (a rare earth element), copper, germanium, and sulfur in a fixed stoichiometric ratio. This is a research-phase material rather than a commercial engineering alloy; compounds in this family are investigated primarily for their potential thermoelectric, magnetic, and semiconductor properties arising from the rare earth and transition metal constituents. The material represents exploratory work in functional intermetallics where the specific combination of elements may offer unique electronic transport or thermal properties not easily achieved in conventional alloys or ceramics.
thermoelectric device researchrare earth intermetallic compoundsmagnetic material studiessolid-state physics researchsemiconductor compound development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 10,557.3 | ksi | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 5,399.8 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2043 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.737 | eV | — | ||
Seebeck Coefficient(S) | -204.4 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.585 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.