Al1Ga1Sb2
Al1Ga1Sb2 is a semiconducting ternary compound containing aluminum, gallium, and antimony that is considered a viable target for laboratory synthesis.
About Al1Ga1Sb2
Al1Ga1Sb2 is a ternary semiconducting compound composed of aluminum, gallium, and antimony. As a near-hull material, it represents a promising candidate for synthesis and experimental characterization within the broader landscape of III-V semiconductor materials.
Its electronic character suggests potential utility in high-speed electronics or infrared sensing technologies. The compound is supported by a significant number of reported structural configurations, indicating a complex and rich phase space that warrants further investigation for specialized device integration.
Key Properties
Cross-validated computational properties for Al1Ga1Sb2, 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 Al1Ga1Sb2, 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. |
|---|---|---|---|---|---|
| R3m (No. 160) | trigonal | 0.17 | 0.0037 | -17.634 | 4.83 |
| F-43m (No. 216) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
Applications
Where Al1Ga1Sb2 is used.
Frequently Asked Questions
Common questions about Al1Ga1Sb2, answered from cross-validated data.
What is Al1Ga1Sb2?
Al1Ga1Sb2 is a semiconducting ternary compound containing aluminum, gallium, and antimony that is considered a viable target for laboratory synthesis.
What is Al1Ga1Sb2 used for?
What is the band gap of Al1Ga1Sb2?
Is Al1Ga1Sb2 a metal, semiconductor, or insulator?
Is Al1Ga1Sb2 thermodynamically stable?
What is the crystal structure of Al1Ga1Sb2?
What is the density of Al1Ga1Sb2?
How many polymorphs of Al1Ga1Sb2 are known?
What elements does Al1Ga1Sb2 contain?
Where does the data for Al1Ga1Sb2 come from?
How It Compares
As a unique ternary antimonide, Al1Ga1Sb2 occupies a distinct position in semiconductor research. While many III-V materials focus on binary combinations, this compound offers a complex structural framework that may provide tunable electronic properties distinct from simpler, more conventional binary counterparts.
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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