Ce2O7Y2
Ce2O7Y2 has a DFT band gap of 1.65–2.06 eV across 4 reported structures in 3 space groups. Cross-validated across 2 computational databases.
At a glance
Key Properties
Cross-validated computational properties for Ce2O7Y2, aggregated across 2 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.
1.65–2.06 eV
Range across DFT structures
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.
0.040 eV/atom
Best (lowest) across sources
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.
Metastable
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
2 databases, 3 space groups
Reference
Frequently Asked Questions
Common questions about Ce2O7Y2, answered from cross-validated data.
What is the band gap of Ce2O7Y2?
Ce2O7Y2 has a DFT-computed band gap of 1.65–2.06 eV across 4 reported structures.
More questions
Is Ce2O7Y2 a metal, semiconductor, or insulator?
With a band gap up to 2.06 eV it is a semiconductor.
Is Ce2O7Y2 thermodynamically stable?
Ce2O7Y2 has a lowest energy above hull of 0.040 eV/atom (metastable).
How many polymorphs of Ce2O7Y2 are known?
4 structures of Ce2O7Y2 are reported across 2 databases, spanning 3 distinct space groups.
What elements does Ce2O7Y2 contain?
Ce2O7Y2 contains Ce, O, and Y (3 elements).
Where does the data for Ce2O7Y2 come from?
Ce2O7Y2 data is cross-referenced from latticegraph.
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Related Compounds
Other Fluorite Oxide-Ion Conductors in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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