Ga2O4Tl2
Ga2O4Tl2 is a semiconducting ternary oxide that serves as a research material within the broader class of transparent conducting oxides.
About Ga2O4Tl2
Ga2O4Tl2 is a complex ternary oxide categorized within the family of transparent conducting oxides. As a semiconducting material, it represents a specialized composition that has garnered interest for its potential electronic and optical properties within oxide-based thin-film research.
While this compound is currently identified as being thermodynamically unstable relative to its constituent phases, it remains a subject of interest for materials scientists studying structural diversity. Its existence across multiple reported structures highlights the complex phase space of gallium-thallium-oxygen systems.
Key Properties
Cross-validated computational properties for Ga2O4Tl2, 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 Ga2O4Tl2, 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. |
|---|---|---|---|---|---|
| Fd-3m (No. 227) | cubic | 2.15 | 0.1190 | -5.428 | 6.86 |
| Fd-3m (No. 227) | — | — | — | — | — |
| — | — | — | — | — | 6.89 |
| — | — | — | — | — | 7.65 |
| — | — | — | — | — | 6.89 |
Applications
Where Ga2O4Tl2 is used.
Frequently Asked Questions
Common questions about Ga2O4Tl2, answered from cross-validated data.
What is Ga2O4Tl2?
Ga2O4Tl2 is a semiconducting ternary oxide that serves as a research material within the broader class of transparent conducting oxides.
What is Ga2O4Tl2 used for?
What is the band gap of Ga2O4Tl2?
Is Ga2O4Tl2 a metal, semiconductor, or insulator?
Is Ga2O4Tl2 thermodynamically stable?
What is the crystal structure of Ga2O4Tl2?
What is the density of Ga2O4Tl2?
How many polymorphs of Ga2O4Tl2 are known?
What elements does Ga2O4Tl2 contain?
Where does the data for Ga2O4Tl2 come from?
How It Compares
Within the transparent conducting oxides class.
Compared to highly stable and widely utilized transparent conducting oxides like ZnO or BaSnO3, Ga2O4Tl2 occupies a more precarious position on the thermodynamic landscape. Unlike the robust and well-characterized ZnGa2O4, this compound is less frequently deployed in practical devices, serving primarily as an intriguing case study in the structural variability of complex oxides.
Related Compounds
Other Transparent Conducting Oxides in the database.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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