Ba5Ta4O15
Ba5Ta4O15 is a thermodynamically stable, insulating perovskite oxide used in advanced dielectric materials research.
About Ba5Ta4O15
Ba5Ta4O15 is a complex perovskite oxide that occupies a stable position on the thermodynamic convex hull. As a wide-gap insulator, it exhibits robust electronic properties that make it a subject of interest for high-performance dielectric applications where thermal and chemical stability are paramount. Its structural integrity is well-documented, with multiple reported configurations that highlight its versatility within the oxide family.
This compound is primarily utilized in materials science research focused on developing stable, non-conductive ceramic components. By leveraging its inherent stability, researchers explore its potential in electronic devices that require reliable performance under demanding conditions, distinguishing it from more conductive or magnetically active perovskite counterparts.
Key Properties
Cross-validated computational properties for Ba5Ta4O15, 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 Ba5Ta4O15, 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-3m1 (No. 164) | trigonal | 3.09 | 0.0000 | -8.909 | 7.86 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 7.69 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 8.21 |
| P-3m1 (No. 164) | Trigonal | — | — | — | 7.85 |
Synthesis Routes
Literature-extracted synthesis procedures targeting Ba5Ta4O15.
Applications
Where Ba5Ta4O15 is used.
Frequently Asked Questions
Common questions about Ba5Ta4O15, answered from cross-validated data.
What is Ba5Ta4O15?
Ba5Ta4O15 is a thermodynamically stable, insulating perovskite oxide used in advanced dielectric materials research.
What is Ba5Ta4O15 used for?
What is the band gap of Ba5Ta4O15?
Is Ba5Ta4O15 a metal, semiconductor, or insulator?
Is Ba5Ta4O15 thermodynamically stable?
What is the crystal structure of Ba5Ta4O15?
What is the density of Ba5Ta4O15?
How many polymorphs of Ba5Ta4O15 are known?
How is Ba5Ta4O15 synthesized?
What elements does Ba5Ta4O15 contain?
Where does the data for Ba5Ta4O15 come from?
How It Compares
Within the perovskite oxides class.
Unlike the highly functional and magnetically active members of the perovskite class such as LaMnO3 or LaCoO3, Ba5Ta4O15 is defined by its wide-gap insulating nature. While materials like BaTiO3 are widely recognized for their ferroelectric properties, this compound is valued for its thermodynamic stability and structural consistency, serving as a reliable dielectric framework compared to the more complex transition metal-based perovskites like LaNiO3.
Related Compounds
Other Perovskite Oxides in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
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