Ag12K4S8
This compound is a complex quaternary sulfide containing silver, potassium, and sulfur. It is primarily studied in solid-state chemistry research for its structural properties and potential ionic conductivity.
AgKS
Overview
Key Properties
Cross-validated computational properties for Ag12K4S8, 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.
1.34 eV
Range across DFT structures
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.
0.009 eV/atom
Best (lowest) across sources
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.
Near hull (likely stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
5
3 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for Ag12K4S8, 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. |
|---|---|---|---|---|---|
| Fd-3m (No. 227) | cubic | 1.34 | 0.0093 | -14.849 | 4.77 |
| — | — | — | — | — | 4.86 |
| — | — | — | — | — | 4.86 |
| — | — | — | — | — | 4.86 |
| Fd-3m (No. 227) | — | — | — | — | — |
Uses
Applications
Where Ag12K4S8 is used.
Solid-state chemistry researchMaterials science exploration
Reference
Frequently Asked Questions
Common questions about Ag12K4S8, answered from cross-validated data.
What is Ag12K4S8?
This compound is a complex quaternary sulfide containing silver, potassium, and sulfur. It is primarily studied in solid-state chemistry research for its structural properties and potential ionic conductivity.
More questions
What is Ag12K4S8 used for?
Ag12K4S8 is used in solid-state chemistry research and materials science exploration.
What is the band gap of Ag12K4S8?
Ag12K4S8 has a DFT-computed band gap of 1.34 eV across 5 reported structures.
Is Ag12K4S8 a metal, semiconductor, or insulator?
With a band gap up to 1.34 eV it is a semiconductor.
Is Ag12K4S8 thermodynamically stable?
Ag12K4S8 has a lowest energy above hull of 0.009 eV/atom (near hull (likely stable)).
What is the crystal structure of Ag12K4S8?
The lowest-energy reported polymorph of Ag12K4S8 is cubic symmetry, space group Fd-3m (No. 227).
What is the density of Ag12K4S8?
The computed density of the ground-state structure of Ag12K4S8 is 4.77 g/cm³.
How many polymorphs of Ag12K4S8 are known?
5 structures of Ag12K4S8 are reported across 3 databases, spanning 1 distinct space group.
What elements does Ag12K4S8 contain?
Ag12K4S8 contains Ag, K, and S (3 elements).
Where does the data for Ag12K4S8 come from?
Ag12K4S8 data is cross-referenced from materials_project, omat24, aflow.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
Analyze Ag12K4S8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →