Ag8As4Cs4S12
Ag8As4Cs4S12 is a thermodynamically stable, semiconducting quaternary sulfide compound containing silver, arsenic, cesium, and sulfur.
About Ag8As4Cs4S12
Ag8As4Cs4S12 is a complex quaternary sulfide compound composed of silver, arsenic, cesium, and sulfur. As a thermodynamically stable phase, it maintains a robust structural configuration that makes it a subject of interest for researchers investigating multi-component chalcogenide systems.
This material exhibits semiconducting electronic characteristics, positioning it within a class of compounds often explored for their optoelectronic potential. Its stable nature on the convex hull suggests a well-defined chemical environment, which is essential for developing reliable functional materials in advanced solid-state applications.
Key Properties
Cross-validated computational properties for Ag8As4Cs4S12, 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.
Reported Structures
Lowest-energy structures reported for Ag8As4Cs4S12, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 1.65 | 0.0000 | -4.033 | 4.34 |
| No. 0 | unknown | — | — | — | 1.16 |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where Ag8As4Cs4S12 is used.
Frequently Asked Questions
Common questions about Ag8As4Cs4S12, answered from cross-validated data.
What is Ag8As4Cs4S12?
Ag8As4Cs4S12 is a thermodynamically stable, semiconducting quaternary sulfide compound containing silver, arsenic, cesium, and sulfur.
What is Ag8As4Cs4S12 used for?
What is the band gap of Ag8As4Cs4S12?
Is Ag8As4Cs4S12 a metal, semiconductor, or insulator?
Is Ag8As4Cs4S12 thermodynamically stable?
What is the crystal structure of Ag8As4Cs4S12?
What is the density of Ag8As4Cs4S12?
How many polymorphs of Ag8As4Cs4S12 are known?
What elements does Ag8As4Cs4S12 contain?
Where does the data for Ag8As4Cs4S12 come from?
How It Compares
As a quaternary sulfide, Ag8As4Cs4S12 represents a specialized structural arrangement within the broader landscape of complex chalcogenides. Unlike simpler binary or ternary sulfides, this compound leverages the interplay between its diverse constituent elements to achieve thermodynamic stability, serving as a distinct example of how complex stoichiometry can stabilize semiconducting behavior in inorganic solids.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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