Sr3TeO6
Sr3TeO6 is a stable, insulating complex oxide composed of strontium, tellurium, and oxygen.
About Sr3TeO6
Sr3TeO6 is a complex oxide characterized by its wide-band-gap insulating electronic profile. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement of strontium, tellurium, and oxygen atoms.
Its structural stability is underscored by its presence across multiple databases, reflecting significant interest in its physical properties. This compound serves as a foundational material for exploring the dielectric and optical behaviors inherent to tellurate-based oxide systems.
Key Properties
Cross-validated computational properties for Sr3TeO6, 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 Sr3TeO6, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 3.21 | 0.0000 | -6.539 | 5.42 |
| P-1 (No. 2) | triclinic | 2.92 | 0.0021 | -6.537 | 5.39 |
| R3 (No. 146) | trigonal | 3.06 | 0.0221 | -6.517 | 5.18 |
| Ia-3 (No. 206) | cubic | 2.64 | 0.0534 | -6.486 | 4.96 |
| P-1 (No. 2) | triclinic | 0.00 | 5.0050 | -1.534 | 5.39 |
| R-3 (No. 148) | — | — | — | — | — |
| R3 (No. 146) | Trigonal | — | — | — | 5.18 |
| R3 (No. 146) | Trigonal | — | — | — | 5.47 |
| R3 (No. 146) | Trigonal | — | — | — | 5.32 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.26 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.40 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.57 |
Applications
Where Sr3TeO6 is used.
Frequently Asked Questions
Common questions about Sr3TeO6, answered from cross-validated data.
What is Sr3TeO6?
Sr3TeO6 is a stable, insulating complex oxide composed of strontium, tellurium, and oxygen.
What is Sr3TeO6 used for?
What is the band gap of Sr3TeO6?
Is Sr3TeO6 a metal, semiconductor, or insulator?
Is Sr3TeO6 thermodynamically stable?
What is the crystal structure of Sr3TeO6?
What is the density of Sr3TeO6?
How many polymorphs of Sr3TeO6 are known?
What elements does Sr3TeO6 contain?
Where does the data for Sr3TeO6 come from?
How It Compares
As a distinct oxide, Sr3TeO6 occupies a specialized niche in materials science. Without direct structural siblings in this specific grouping, it stands as a primary reference point for understanding the stability and electronic insulating nature of strontium-rich tellurates.
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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