TaIn3O7
TaIn3O7 is a metastable, semiconducting oxide material containing tantalum and indium that is studied for its potential roles in transparent electronic devices.
About TaIn3O7
TaIn3O7 is a complex oxide composed of tantalum, indium, and oxygen. As a semiconducting member of the transparent conducting oxide family, it represents an intriguing material for specialized electronic applications where specific optical and electrical properties are required.
Despite its metastable nature, the compound has been documented across multiple structural databases. Its existence and structural diversity highlight the complexity of indium-tantalum oxide systems, offering researchers a distinct platform for studying electronic behavior in non-equilibrium oxide phases.
Key Properties
Cross-validated computational properties for TaIn3O7, 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 TaIn3O7, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.36 | 0.0977 | -7.321 | 7.51 |
| C2221 (No. 20) | orthorhombic | 1.58 | 0.1064 | -7.312 | 7.38 |
| Pnma (No. 62) | orthorhombic | 1.46 | 0.1090 | -7.310 | 7.34 |
| C2221 (No. 20) | — | — | — | — | — |
| P-1 (No. 2) | Triclinic | — | — | — | 7.51 |
| P-1 (No. 2) | Triclinic | — | — | — | 8.07 |
| C2221 (No. 20) | Orthorhombic | — | — | — | 7.61 |
| C2221 (No. 20) | Orthorhombic | — | — | — | 7.97 |
| C2221 (No. 20) | Orthorhombic | — | — | — | 7.38 |
| P-1 (No. 2) | Triclinic | — | — | — | 7.74 |
| P-1 (No. 2) | — | — | — | — | — |
Applications
Where TaIn3O7 is used.
Frequently Asked Questions
Common questions about TaIn3O7, answered from cross-validated data.
What is TaIn3O7?
TaIn3O7 is a metastable, semiconducting oxide material containing tantalum and indium that is studied for its potential roles in transparent electronic devices.
What is TaIn3O7 used for?
What is the band gap of TaIn3O7?
Is TaIn3O7 a metal, semiconductor, or insulator?
Is TaIn3O7 thermodynamically stable?
What is the crystal structure of TaIn3O7?
What is the density of TaIn3O7?
How many polymorphs of TaIn3O7 are known?
What elements does TaIn3O7 contain?
Where does the data for TaIn3O7 come from?
How It Compares
Within the transparent conducting oxides class.
Within the diverse landscape of transparent conducting oxides, TaIn3O7 occupies a more niche, metastable position compared to highly stable and widely utilized industry standards like ZnO or BaSnO3. While materials such as ZnGa2O4 and CaIn2O4 are frequently investigated for their robust performance in optoelectronics, TaIn3O7 serves as a valuable subject for exploring structural variations and electronic tuning in laboratory settings.
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).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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