F20Te4Tl4
F20Te4Tl4 is a stable, insulating inorganic compound composed of fluorine, tellurium, and thallium.

About F20Te4Tl4
F20Te4Tl4 is a complex inorganic compound characterized by its insulating electronic nature and high thermodynamic stability. As a member of the telluride-fluoride family, it occupies a unique position on the convex hull, indicating robust structural integrity under standard conditions.
Its wide-band-gap profile suggests potential utility in specialized optical or dielectric applications where electronic insulation is a primary requirement. The compound has been identified across multiple structural databases, reflecting significant interest in its crystalline arrangement and chemical bonding behavior.
Key Properties
Cross-validated computational properties for F20Te4Tl4, 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.
Applications
Where F20Te4Tl4 is used.
Frequently Asked Questions
Common questions about F20Te4Tl4, answered from cross-validated data.
What is F20Te4Tl4?
F20Te4Tl4 is a stable, insulating inorganic compound composed of fluorine, tellurium, and thallium.
What is F20Te4Tl4 used for?
What is the band gap of F20Te4Tl4?
Is F20Te4Tl4 a metal, semiconductor, or insulator?
Is F20Te4Tl4 thermodynamically stable?
How many polymorphs of F20Te4Tl4 are known?
What elements does F20Te4Tl4 contain?
Where does the data for F20Te4Tl4 come from?
How It Compares
As a distinct inorganic phase, F20Te4Tl4 represents a specialized composition within the broader landscape of thallium-tellurium-fluorine systems. It serves as a benchmark for stability in this chemical space, providing a foundational example of how these elements can organize into a thermodynamically favored insulating framework.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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