As4S3
As4S3 is a semiconducting arsenic sulfide compound that is considered a viable candidate for synthesis due to its near-hull thermodynamic stability.
About As4S3
As4S3 is a semiconducting binary compound composed of arsenic and sulfur. Its electronic character suggests potential utility in specialized optoelectronic applications where specific semiconducting properties are required for device integration. The material is recognized as being near-hull in terms of thermodynamic stability, indicating that it is a viable candidate for experimental synthesis. With multiple reported structures across various databases, it remains a subject of interest for researchers investigating the complex phase space of arsenic-sulfur systems.
Key Properties
Cross-validated computational properties for As4S3, 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 As4S3 is used.
Frequently Asked Questions
Common questions about As4S3, answered from cross-validated data.
What is As4S3?
As4S3 is a semiconducting arsenic sulfide compound that is considered a viable candidate for synthesis due to its near-hull thermodynamic stability.
What is As4S3 used for?
What is the band gap of As4S3?
Is As4S3 a metal, semiconductor, or insulator?
Is As4S3 thermodynamically stable?
How many polymorphs of As4S3 are known?
What elements does As4S3 contain?
Where does the data for As4S3 come from?
How It Compares
As a member of the arsenic-sulfur binary system, As4S3 occupies a distinct structural niche. While many arsenic sulfides are well-characterized, this specific stoichiometry represents a unique configuration that bridges the gap between simpler binary phases and more complex amorphous chalcogenide glasses.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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