Ga1K1Sb2
Ga1K1Sb2 is a stable, semiconducting ternary compound consisting of gallium, potassium, and antimony.
About Ga1K1Sb2
Ga1K1Sb2 is a distinct ternary compound composed of gallium, potassium, and antimony. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement within its chemical system.
This material exhibits semiconducting electronic behavior, making it a subject of interest for researchers investigating tunable electronic properties. Its structural diversity is highlighted by numerous reported configurations, suggesting significant potential for exploring complex solid-state chemistry.
Key Properties
Cross-validated computational properties for Ga1K1Sb2, aggregated across 2 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 Ga1K1Sb2, 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. |
|---|---|---|---|---|---|
| Cmce (No. 64) | orthorhombic | 1.01 | 0.0000 | -3.519 | 4.47 |
| Cmmm (No. 65) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Ga1K1Sb2 is used.
Frequently Asked Questions
Common questions about Ga1K1Sb2, answered from cross-validated data.
What is Ga1K1Sb2?
Ga1K1Sb2 is a stable, semiconducting ternary compound consisting of gallium, potassium, and antimony.
What is Ga1K1Sb2 used for?
What is the band gap of Ga1K1Sb2?
Is Ga1K1Sb2 a metal, semiconductor, or insulator?
Is Ga1K1Sb2 thermodynamically stable?
What is the crystal structure of Ga1K1Sb2?
What is the density of Ga1K1Sb2?
How many polymorphs of Ga1K1Sb2 are known?
What elements does Ga1K1Sb2 contain?
Where does the data for Ga1K1Sb2 come from?
How It Compares
As a unique ternary phase, Ga1K1Sb2 serves as a foundational example of how alkali metals can stabilize gallium-antimonide frameworks. Without direct siblings in this specific classification, it stands as a primary reference point for understanding the interplay between group thirteen elements and pnictogens in the presence of alkali modifiers.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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