F4Fe4O12Te4
F4Fe4O12Te4 is a thermodynamically stable, semiconducting iron-based compound containing fluorine, oxygen, and tellurium.
About F4Fe4O12Te4
F4Fe4O12Te4 is a distinct iron-based compound that occupies a stable position on the convex hull. Characterized by its semiconducting electronic behavior, this material represents a unique structural arrangement within the broader family of iron-containing phases.
Its thermodynamic stability makes it a significant subject for structural analysis. As a member of a class often associated with superconductivity research, this compound provides essential insights into the complex interplay between iron, tellurium, and fluorine within crystalline lattices.
Key Properties
Cross-validated computational properties for F4Fe4O12Te4, 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 F4Fe4O12Te4, 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 | 1.50 | 0.0000 | -6.573 | 5.02 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.32 |
Applications
Where F4Fe4O12Te4 is used.
Frequently Asked Questions
Common questions about F4Fe4O12Te4, answered from cross-validated data.
What is F4Fe4O12Te4?
F4Fe4O12Te4 is a thermodynamically stable, semiconducting iron-based compound containing fluorine, oxygen, and tellurium.
What is F4Fe4O12Te4 used for?
What is the band gap of F4Fe4O12Te4?
Is F4Fe4O12Te4 a metal, semiconductor, or insulator?
Is F4Fe4O12Te4 thermodynamically stable?
What is the crystal structure of F4Fe4O12Te4?
What is the density of F4Fe4O12Te4?
How many polymorphs of F4Fe4O12Te4 are known?
What elements does F4Fe4O12Te4 contain?
Where does the data for F4Fe4O12Te4 come from?
How It Compares
Within the iron-based superconductors class.
While many members of this class, such as FeSe, are widely recognized for their superconducting properties, F4Fe4O12Te4 distinguishes itself through its semiconducting nature and distinct chemical composition. Unlike the binary iron-chalcogenides like FeTe2 or the pnictide-based structures like FeAs2, this quaternary compound highlights the diversity of electronic states possible within iron-based materials.
Related Compounds
Other Iron-Based Superconductors in the database.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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