AsS2Sr
AsS2Sr is a metastable semiconducting compound consisting of strontium, arsenic, and sulfur.
About AsS2Sr
AsS2Sr is a complex inorganic compound composed of arsenic, sulfur, and strontium. As a semiconducting material, it exhibits electronic properties that bridge the gap between metallic and insulating behaviors, making it a subject of interest for fundamental materials research.
Because it is classified as metastable, this compound represents a unique synthetic challenge, often requiring specific conditions to stabilize its crystalline arrangement. Its existence across multiple databases highlights its role as a documented, albeit rare, phase in the broader landscape of chalcogenide materials.
Key Properties
Cross-validated computational properties for AsS2Sr, 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.
Frequently Asked Questions
Common questions about AsS2Sr, answered from cross-validated data.
What is AsS2Sr?
AsS2Sr is a metastable semiconducting compound consisting of strontium, arsenic, and sulfur.
What is the band gap of AsS2Sr?
Is AsS2Sr a metal, semiconductor, or insulator?
Is AsS2Sr thermodynamically stable?
How many polymorphs of AsS2Sr are known?
What elements does AsS2Sr contain?
Where does the data for AsS2Sr come from?
How It Compares
As a unique ternary phase, AsS2Sr occupies a specialized niche within the landscape of strontium-based chalcogenides. Without direct structural siblings, it serves as a distinct reference point for understanding how the integration of arsenic and sulfur influences the stability and electronic character of alkaline earth metal compounds.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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