O28Se8Tb8
O28Se8Tb8 is a thermodynamically stable, wide-band-gap insulating compound composed of terbium, selenium, and oxygen.
About O28Se8Tb8
O28Se8Tb8 is a complex inorganic compound characterized by its wide-band-gap insulating electronic profile. As a material that resides on the convex hull, it exhibits significant thermodynamic stability, suggesting robust structural integrity under standard conditions. This stability makes it a compelling subject for fundamental research into rare-earth chalcogenide-oxide systems.
Its unique composition of oxygen, selenium, and terbium positions it within a specialized niche of electronic materials. While research into this specific stoichiometry is ongoing, its insulating nature and stable lattice structure provide a foundation for exploring potential applications in optical or dielectric technologies where stable, wide-gap materials are required.
Key Properties
Cross-validated computational properties for O28Se8Tb8, 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.
Frequently Asked Questions
Common questions about O28Se8Tb8, answered from cross-validated data.
What is O28Se8Tb8?
O28Se8Tb8 is a thermodynamically stable, wide-band-gap insulating compound composed of terbium, selenium, and oxygen.
What is the band gap of O28Se8Tb8?
Is O28Se8Tb8 a metal, semiconductor, or insulator?
Is O28Se8Tb8 thermodynamically stable?
How many polymorphs of O28Se8Tb8 are known?
What elements does O28Se8Tb8 contain?
Where does the data for O28Se8Tb8 come from?
How It Compares
As a distinct member of the rare-earth selenium-oxide family, O28Se8Tb8 represents a stable configuration within its chemical space. Unlike less stable phases that may decompose or transition under ambient conditions, this compound maintains its structural identity, serving as a reliable reference point for understanding the interplay between lanthanide cations and chalcogen-oxygen frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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