Ca4O20Te8
Ca4O20Te8 is a thermodynamically stable, wide-gap insulating calcium tellurite compound.
About Ca4O20Te8
Ca4O20Te8 is a complex oxide compound featuring calcium and tellurium. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement within the calcium-tellurium-oxygen system.
This material exhibits insulating electronic behavior characterized by a wide band gap. Its structural integrity and electronic properties make it a subject of interest for researchers investigating advanced dielectric or optical materials.
Key Properties
Cross-validated computational properties for Ca4O20Te8, aggregated across 4 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 Ca4O20Te8 is used.
Frequently Asked Questions
Common questions about Ca4O20Te8, answered from cross-validated data.
What is Ca4O20Te8?
Ca4O20Te8 is a thermodynamically stable, wide-gap insulating calcium tellurite compound.
What is Ca4O20Te8 used for?
What is the band gap of Ca4O20Te8?
Is Ca4O20Te8 a metal, semiconductor, or insulator?
Is Ca4O20Te8 thermodynamically stable?
How many polymorphs of Ca4O20Te8 are known?
What elements does Ca4O20Te8 contain?
Where does the data for Ca4O20Te8 come from?
How It Compares
As a unique member of the calcium tellurite family, Ca4O20Te8 stands out due to its confirmed thermodynamic stability. While many complex oxides require specific synthesis conditions, this compound maintains a favorable energy state, positioning it as a reliable candidate for further structural and functional characterization.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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