TaCu3Te4
metal· TaCu3Te4
TaCu3Te4 is a ternary intermetallic compound combining tantalum, copper, and tellurium—a material class that remains largely experimental and not widely commercialized. Research into tantalum-based chalcogenides (tellurides and selenides) is driven by their potential in thermoelectric energy conversion and semiconducting applications, where the combination of metallic and semiconducting character offers unique electronic properties. This particular composition represents exploratory materials science work; engineers would encounter it primarily in academic research contexts or emerging technologies seeking alternatives to conventional thermoelectrics or functional metallic compounds.
thermoelectric researchexperimental semiconductorsadvanced functional materialshigh-temperature energy conversionintermetallic compound researchmaterials exploration
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 28.54 | GPa | — | ||
Shear Modulus(G) | 19.89 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.862 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.308 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 9.730 | - | — | ||
| ↳ | 9.747 | - | — | ||
| ↳ | 10.40 range 10.22–10.58median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.03739 | C/m² | — | ||
| ↳ | 0.1211 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -259.8 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2392 | 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.