Ga4K4Sb6
Ga4K4Sb6 is a stable, semiconducting ternary compound consisting of gallium, potassium, and antimony.
About Ga4K4Sb6
Ga4K4Sb6 is a complex ternary compound composed of gallium, potassium, and antimony. As a thermodynamically stable phase located on the convex hull, it represents a well-defined structural arrangement that holds significant interest for solid-state chemists investigating stable multi-element systems.
This material exhibits semiconducting electronic character, making it a subject of study for potential applications in electronic and optoelectronic devices. Its stability suggests a robust crystalline framework that warrants further investigation into its physical and chemical properties.
Key Properties
Cross-validated computational properties for Ga4K4Sb6, 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 Ga4K4Sb6, 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 | 1.17 | 0.0000 | -3.388 | 4.30 |
| No. 0 | unknown | — | — | — | 1.10 |
| — | — | — | — | — | 4.10 |
Applications
Where Ga4K4Sb6 is used.
Frequently Asked Questions
Common questions about Ga4K4Sb6, answered from cross-validated data.
What is Ga4K4Sb6?
Ga4K4Sb6 is a stable, semiconducting ternary compound consisting of gallium, potassium, and antimony.
What is Ga4K4Sb6 used for?
What is the band gap of Ga4K4Sb6?
Is Ga4K4Sb6 a metal, semiconductor, or insulator?
Is Ga4K4Sb6 thermodynamically stable?
What is the crystal structure of Ga4K4Sb6?
What is the density of Ga4K4Sb6?
How many polymorphs of Ga4K4Sb6 are known?
What elements does Ga4K4Sb6 contain?
Where does the data for Ga4K4Sb6 come from?
How It Compares
As a member of the ternary gallium-potassium-antimony system, Ga4K4Sb6 stands as a distinct, stable phase. While this specific stoichiometry represents a unique structural configuration, it contributes to the broader understanding of how alkali metals interact with p-block elements to form stable semiconducting networks.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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