NbCu3S4
NbCu3S4 is a stable, semiconducting sulfide compound composed of niobium, copper, and sulfur.

About NbCu3S4
NbCu3S4 is a complex sulfide compound that exhibits semiconducting electronic behavior. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement within the copper-niobium-sulfur system.
This material is of significant interest for fundamental materials research due to its structural stability and electronic characteristics. Its existence across multiple databases highlights its importance as a well-defined inorganic compound for further investigation into its potential functional properties.
Key Properties
Cross-validated computational properties for NbCu3S4, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where NbCu3S4 is used.
Frequently Asked Questions
Common questions about NbCu3S4, answered from cross-validated data.
What is NbCu3S4?
NbCu3S4 is a stable, semiconducting sulfide compound composed of niobium, copper, and sulfur.
What is NbCu3S4 used for?
What is the band gap of NbCu3S4?
Is NbCu3S4 a metal, semiconductor, or insulator?
Is NbCu3S4 thermodynamically stable?
How many polymorphs of NbCu3S4 are known?
What elements does NbCu3S4 contain?
Where does the data for NbCu3S4 come from?
How It Compares
As a thermodynamically stable member of the sulfide family, NbCu3S4 serves as a benchmark for understanding the structural and electronic interplay in copper-based ternary chalcogenides. It occupies a distinct position in the landscape of semiconducting materials, offering a stable framework for exploring specialized electronic applications.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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