As8Ga4Li4Na8
As8Ga4Li4Na8 is a thermodynamically stable semiconducting quaternary material composed of arsenic, gallium, lithium, and sodium.
About As8Ga4Li4Na8
As8Ga4Li4Na8 is a complex quaternary compound composed of arsenic, gallium, lithium, and sodium. 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 character, making it a subject of interest for researchers investigating tunable electronic properties. Its existence across multiple structural databases highlights its significance as a well-defined crystalline phase in solid-state chemistry.
Key Properties
Cross-validated computational properties for As8Ga4Li4Na8, 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 As8Ga4Li4Na8, 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 | 1.22 | 0.0000 | -3.375 | 3.55 |
| — | — | — | — | — | 3.56 |
| Cmce (No. 64) | — | — | — | — | — |
Frequently Asked Questions
Common questions about As8Ga4Li4Na8, answered from cross-validated data.
What is As8Ga4Li4Na8?
As8Ga4Li4Na8 is a thermodynamically stable semiconducting quaternary material composed of arsenic, gallium, lithium, and sodium.
What is the band gap of As8Ga4Li4Na8?
Is As8Ga4Li4Na8 a metal, semiconductor, or insulator?
Is As8Ga4Li4Na8 thermodynamically stable?
What is the crystal structure of As8Ga4Li4Na8?
What is the density of As8Ga4Li4Na8?
How many polymorphs of As8Ga4Li4Na8 are known?
What elements does As8Ga4Li4Na8 contain?
Where does the data for As8Ga4Li4Na8 come from?
How It Compares
As8Ga4Li4Na8 stands out as a stable, well-defined quaternary phase within its chemical family, serving as a benchmark for understanding the structural interplay between alkali metals and pnictide-based semiconductors.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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