Al6Ge6Li6O24
Al6Ge6Li6O24 is a thermodynamically stable, insulating complex oxide composed of lithium, aluminum, germanium, and oxygen.
About Al6Ge6Li6O24
Al6Ge6Li6O24 is a complex lithium-based oxide that functions as a wide-band-gap insulator. Its status as a thermodynamically stable phase on the convex hull suggests a robust structural framework, making it a subject of interest for fundamental materials research. The compound's unique arrangement of aluminum, germanium, and lithium within an oxygen lattice provides a distinct electronic profile compared to more conductive transition-metal counterparts. It is primarily studied for its structural stability and potential role in specialized dielectric or solid-state applications where insulating properties are required. The material's existence across multiple structural databases highlights its significance in the broader landscape of complex oxide chemistry.
Key Properties
Cross-validated computational properties for Al6Ge6Li6O24, 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 Al6Ge6Li6O24, 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. |
|---|---|---|---|---|---|
| R3 (No. 146) | trigonal | 3.89 | 0.0000 | -7.010 | 3.38 |
| R-3 (No. 148) | trigonal | 3.35 | 0.0266 | -6.983 | 3.25 |
| — | — | — | — | — | 2.27 |
| R-3 (No. 148) | — | — | — | — | — |
Applications
Where Al6Ge6Li6O24 is used.
Frequently Asked Questions
Common questions about Al6Ge6Li6O24, answered from cross-validated data.
What is Al6Ge6Li6O24?
Al6Ge6Li6O24 is a thermodynamically stable, insulating complex oxide composed of lithium, aluminum, germanium, and oxygen.
What is Al6Ge6Li6O24 used for?
What is the band gap of Al6Ge6Li6O24?
Is Al6Ge6Li6O24 a metal, semiconductor, or insulator?
Is Al6Ge6Li6O24 thermodynamically stable?
What is the crystal structure of Al6Ge6Li6O24?
What is the density of Al6Ge6Li6O24?
How many polymorphs of Al6Ge6Li6O24 are known?
What elements does Al6Ge6Li6O24 contain?
Where does the data for Al6Ge6Li6O24 come from?
How It Compares
Within the layered lithium transition-metal oxides class.
Unlike the highly active cathode materials in this class such as LiNiO2, LiCoO2, or LiMn2O4, which are characterized by their electrochemical activity and transition-metal redox behavior, Al6Ge6Li6O24 is a stable insulator. While siblings like LiAlO2 share similar insulating characteristics, this compound features a more intricate stoichiometry involving germanium, which influences its structural complexity and stability profile relative to the simpler binary or ternary lithium oxides.
Related Compounds
Other Layered Lithium Transition-Metal Oxides in the database.
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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