KAg2SbS4
KAg2SbS4 is a semiconducting quaternary sulfide compound that is theoretically stable enough to be a target for experimental synthesis.
About KAg2SbS4
KAg2SbS4 is a complex quaternary sulfide composed of potassium, silver, antimony, and sulfur. It exhibits semiconducting electronic behavior, positioning it as a functional material for potential use in electronic and optical devices where specific band structures are required for charge transport.
Because it sits near the thermodynamic hull, this compound is considered a viable candidate for experimental synthesis. Its structural diversity, evidenced by multiple reported configurations in materials databases, suggests a flexible lattice capable of accommodating various physical properties.
Key Properties
Cross-validated computational properties for KAg2SbS4, 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 KAg2SbS4 is used.
Frequently Asked Questions
Common questions about KAg2SbS4, answered from cross-validated data.
What is KAg2SbS4?
KAg2SbS4 is a semiconducting quaternary sulfide compound that is theoretically stable enough to be a target for experimental synthesis.
What is KAg2SbS4 used for?
What is the band gap of KAg2SbS4?
Is KAg2SbS4 a metal, semiconductor, or insulator?
Is KAg2SbS4 thermodynamically stable?
How many polymorphs of KAg2SbS4 are known?
What elements does KAg2SbS4 contain?
Where does the data for KAg2SbS4 come from?
How It Compares
As a quaternary sulfide, KAg2SbS4 serves as a representative example of the complex chalcogenide systems that are currently being investigated for their tunable electronic properties and potential as functional semiconductors.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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