NbCu3S4
metal· NbCu3S4
NbCu3S4 is an intermetallic sulfide compound combining niobium and copper in a ternary system, representing an experimental material primarily of interest in materials research rather than established industrial production. This compound belongs to the family of transition metal sulfides and chalcogenides, which are investigated for electronic, catalytic, and energy storage applications. The material's potential lies in electrochemistry and solid-state chemistry, where mixed-metal sulfides are explored for catalytic performance in hydrogen evolution reactions, energy conversion, and advanced battery or supercapacitor systems, though it remains in the early research phase with limited commercial deployment.
experimental catalytic materialshydrogen evolution electrodesenergy storage researchthermoelectric compoundssolid-state chemistry researchadvanced battery electrodes
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 5,752.8 | ksi | — | ||
| ↳ | 6,037.9 | ksi | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G)2 entries | 3,631.9 | ksi | — | ||
| ↳ | 3,953.7 | ksi | — |
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 | |
|---|---|---|---|---|---|
Density(ρ) | 0.1478 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.640 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 6.730 | - | — | ||
| ↳ | 6.847 | - | — | ||
| ↳ | 7.017 range 6.886–7.149median 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 | 0.00199 | C/m² | — | ||
| ↳ | 0.1360 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -294.5 | 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) | -0.6346 | 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.