Al1As2Ga1
Al1As2Ga1 is a thermodynamically stable semiconducting compound composed of aluminum, gallium, and arsenic.
About Al1As2Ga1
Al1As2Ga1 is a semiconducting material composed of aluminum, gallium, and arsenic. Its position on the convex hull indicates that it is a thermodynamically stable phase, making it a significant subject for structural analysis within its chemical system.
This compound is characterized by its electronic nature, which is typical of complex arsenide semiconductors. With numerous reported structures, it serves as an important reference point for understanding the phase stability and bonding configurations of ternary aluminum-gallium-arsenide materials.
Key Properties
Cross-validated computational properties for Al1As2Ga1, 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 Al1As2Ga1, 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 | 0.70 | 0.0000 | -12.435 | 4.49 |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
Applications
Where Al1As2Ga1 is used.
Frequently Asked Questions
Common questions about Al1As2Ga1, answered from cross-validated data.
What is Al1As2Ga1?
Al1As2Ga1 is a thermodynamically stable semiconducting compound composed of aluminum, gallium, and arsenic.
What is Al1As2Ga1 used for?
What is the band gap of Al1As2Ga1?
Is Al1As2Ga1 a metal, semiconductor, or insulator?
Is Al1As2Ga1 thermodynamically stable?
What is the crystal structure of Al1As2Ga1?
What is the density of Al1As2Ga1?
How many polymorphs of Al1As2Ga1 are known?
What elements does Al1As2Ga1 contain?
Where does the data for Al1As2Ga1 come from?
How It Compares
As a thermodynamically stable ternary semiconductor, Al1As2Ga1 represents a distinct structural arrangement within the broader landscape of aluminum-gallium-arsenide compounds, serving as a key reference for phase stability in this chemical space.
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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