Al1Ga2Li1
Al1Ga2Li1 is a semiconducting ternary intermetallic compound composed of aluminum, gallium, and lithium that is currently studied for its metastable structural properties.
About Al1Ga2Li1
Al1Ga2Li1 is a ternary intermetallic compound characterized by its semiconducting electronic nature. As a material that sits above the thermodynamic stability hull, it represents a metastable phase that offers unique insights into the structural complexity of lithium-based alloys. Its existence is supported by a significant number of reported structural configurations within computational databases, reflecting its role as a subject of interest in exploratory materials discovery. The compound is primarily utilized in theoretical studies and experimental synthesis efforts aimed at mapping the phase space of light-metal alloys. Its specific electronic behavior makes it a target for researchers examining how the integration of aluminum and gallium with lithium influences charge carrier dynamics in non-traditional metallic systems.
Key Properties
Cross-validated computational properties for Al1Ga2Li1, 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 Al1Ga2Li1, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.65 | 1.3785 | -6.845 | 0.36 |
| Pmm2 (No. 25) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
Applications
Where Al1Ga2Li1 is used.
Frequently Asked Questions
Common questions about Al1Ga2Li1, answered from cross-validated data.
What is Al1Ga2Li1?
Al1Ga2Li1 is a semiconducting ternary intermetallic compound composed of aluminum, gallium, and lithium that is currently studied for its metastable structural properties.
What is Al1Ga2Li1 used for?
What is the band gap of Al1Ga2Li1?
Is Al1Ga2Li1 a metal, semiconductor, or insulator?
Is Al1Ga2Li1 thermodynamically stable?
What is the crystal structure of Al1Ga2Li1?
What is the density of Al1Ga2Li1?
How many polymorphs of Al1Ga2Li1 are known?
What elements does Al1Ga2Li1 contain?
Where does the data for Al1Ga2Li1 come from?
How It Compares
As a ternary phase with no direct structural siblings in this specific dataset, Al1Ga2Li1 serves as a unique case study in the broader landscape of lithium-aluminum-gallium materials. It highlights the challenges and opportunities in synthesizing metastable compounds that exist outside the ground-state stability regime.
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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