F2Ga2O8Sr6
F2Ga2O8Sr6 is a thermodynamically stable, wide-gap insulating compound composed of strontium, gallium, oxygen, and fluorine.
About F2Ga2O8Sr6
F2Ga2O8Sr6 is a complex inorganic compound composed of fluorine, gallium, oxygen, and strontium. As a thermodynamically stable material situated on the convex hull, it represents a robust structural arrangement that maintains its integrity under standard conditions. Its electronic character is defined by a wide band gap, classifying it as an insulator with potential utility in specialized dielectric or optical applications. The existence of multiple reported structures across various databases highlights its significance as a subject of ongoing crystallographic research. By providing a stable framework for these constituent elements, this compound serves as a valuable model for understanding complex oxyfluoride systems.
Key Properties
Cross-validated computational properties for F2Ga2O8Sr6, 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 F2Ga2O8Sr6, 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. |
|---|---|---|---|---|---|
| I4/mcm (No. 140) | tetragonal | 3.67 | 0.0000 | -6.425 | 5.28 |
| I4/mcm (No. 140) | — | — | — | — | — |
| I4/mcm (No. 140) | — | — | — | — | — |
| — | — | — | — | — | 5.12 |
Applications
Where F2Ga2O8Sr6 is used.
Frequently Asked Questions
Common questions about F2Ga2O8Sr6, answered from cross-validated data.
What is F2Ga2O8Sr6?
F2Ga2O8Sr6 is a thermodynamically stable, wide-gap insulating compound composed of strontium, gallium, oxygen, and fluorine.
What is F2Ga2O8Sr6 used for?
What is the band gap of F2Ga2O8Sr6?
Is F2Ga2O8Sr6 a metal, semiconductor, or insulator?
Is F2Ga2O8Sr6 thermodynamically stable?
What is the crystal structure of F2Ga2O8Sr6?
What is the density of F2Ga2O8Sr6?
How many polymorphs of F2Ga2O8Sr6 are known?
What elements does F2Ga2O8Sr6 contain?
Where does the data for F2Ga2O8Sr6 come from?
How It Compares
As a unique inorganic compound, F2Ga2O8Sr6 occupies a distinct position in materials science research. While it shares elemental components with various gallium-based oxides and strontium-based fluorides, it stands out as a stable, multi-component phase that demonstrates the structural diversity possible within this chemical space.
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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