AlCuS2
AlCuS2 is a stable semiconducting ternary sulfide material utilized in research for its potential applications in optoelectronics.
About AlCuS2
AlCuS2 is a ternary sulfide material that exhibits semiconducting electronic behavior. As a thermodynamically stable compound residing on the convex hull, it represents a robust phase within the copper-aluminum-sulfur chemical space. Its structural diversity is highlighted by numerous reported configurations across multiple materials databases, reflecting significant interest in its fundamental physical properties. This compound is primarily investigated for its potential utility in optoelectronic applications where its semiconducting nature can be leveraged for light-matter interactions. The stability of its crystal lattice makes it a compelling candidate for researchers exploring new functional materials in the sulfide class.
Key Properties
Cross-validated computational properties for AlCuS2, aggregated across 4 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 AlCuS2 is used.
Frequently Asked Questions
Common questions about AlCuS2, answered from cross-validated data.
What is AlCuS2?
AlCuS2 is a stable semiconducting ternary sulfide material utilized in research for its potential applications in optoelectronics.
What is AlCuS2 used for?
What is the band gap of AlCuS2?
Is AlCuS2 a metal, semiconductor, or insulator?
Is AlCuS2 thermodynamically stable?
How many polymorphs of AlCuS2 are known?
What elements does AlCuS2 contain?
Where does the data for AlCuS2 come from?
How It Compares
As a stable ternary sulfide, AlCuS2 serves as a foundational example of how copper and aluminum can integrate with sulfur to form reliable semiconducting phases. While it occupies a unique position within its chemical family, it acts as a primary reference point for understanding the structural and electronic trends governing similar ternary chalcogenides.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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