TaCu₃S₄ is a ternary tantalum-copper sulfide compound that functions as a semiconductor material. This material belongs to the family of transition metal chalcogenides and remains primarily in the research and development phase, where it is being investigated for its electronic and photonic properties. Interest in this compound stems from its potential to combine the properties of tantalum and copper sulfides for applications requiring semiconducting behavior in demanding or niche environments.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 5,524.6 | ksi | — | ||
| ↳ | 6,120.6 | ksi | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G)2 entries | 3,555 | ksi | — | ||
| ↳ | 3,924.7 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1802 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.000 | eV | — | ||
| ↳ | 2.057 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 6.380 | - | — | ||
| ↳ | 6.520 | - | — | ||
| ↳ | 6.665 range 6.540–6.790median 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 | 0.02423 | C/m² | — | ||
| ↳ | 0.08228 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -316.4 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6556 | eV/atom | — |