F2Gd6O24Se8
F2Gd6O24Se8 is a thermodynamically stable, semiconducting inorganic compound composed of fluorine, gadolinium, oxygen, and selenium.
About F2Gd6O24Se8
F2Gd6O24Se8 is a complex inorganic compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of fluorine, gadolinium, oxygen, and selenium atoms. Its existence across multiple reported structures highlights its significance in solid-state chemistry research. The material is primarily studied for its unique structural motifs and potential for specialized electronic applications where stable, complex chalcogenide-oxide frameworks are required. Its composition suggests a role in advanced material design, particularly in contexts where precise control over electronic properties is necessary.
Key Properties
Cross-validated computational properties for F2Gd6O24Se8, 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 F2Gd6O24Se8, 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. |
|---|---|---|---|---|---|
| P63mc (No. 186) | hexagonal | 2.78 | 0.0000 | -8.331 | 5.07 |
| — | — | — | — | — | 4.88 |
| — | — | — | — | — | 4.88 |
| P63mc (No. 186) | — | — | — | — | — |
Applications
Where F2Gd6O24Se8 is used.
Frequently Asked Questions
Common questions about F2Gd6O24Se8, answered from cross-validated data.
What is F2Gd6O24Se8?
F2Gd6O24Se8 is a thermodynamically stable, semiconducting inorganic compound composed of fluorine, gadolinium, oxygen, and selenium.
What is F2Gd6O24Se8 used for?
What is the band gap of F2Gd6O24Se8?
Is F2Gd6O24Se8 a metal, semiconductor, or insulator?
Is F2Gd6O24Se8 thermodynamically stable?
What is the crystal structure of F2Gd6O24Se8?
What is the density of F2Gd6O24Se8?
How many polymorphs of F2Gd6O24Se8 are known?
What elements does F2Gd6O24Se8 contain?
Where does the data for F2Gd6O24Se8 come from?
How It Compares
As a unique structural entity within its specific chemical space, F2Gd6O24Se8 serves as a distinct example of how multi-anionic frameworks can achieve thermodynamic stability. Unlike simpler binary or ternary systems, this compound demonstrates the complexity possible when integrating rare-earth elements with diverse anionic species, positioning it as a key reference point for future investigations into similar complex quaternary or quinary materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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