Er8O20Si4
Er8O20Si4 is a thermodynamically stable, insulating erbium silicate compound.

About Er8O20Si4
Er8O20Si4 is a complex erbium silicate that exists as a thermodynamically stable phase on the convex hull. Its composition, characterized by the integration of rare-earth erbium with oxygen and silicon, results in a robust crystalline architecture that maintains structural integrity under standard conditions.
As a wide-band-gap insulator, this compound is of significant interest for applications requiring stable dielectric properties. Its presence in multiple structural databases highlights its importance as a well-defined material within the broader landscape of rare-earth silicates.
Key Properties
Cross-validated computational properties for Er8O20Si4, 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 Er8O20Si4 is used.
Frequently Asked Questions
Common questions about Er8O20Si4, answered from cross-validated data.
What is Er8O20Si4?
Er8O20Si4 is a thermodynamically stable, insulating erbium silicate compound.
What is Er8O20Si4 used for?
What is the band gap of Er8O20Si4?
Is Er8O20Si4 a metal, semiconductor, or insulator?
Is Er8O20Si4 thermodynamically stable?
How many polymorphs of Er8O20Si4 are known?
What elements does Er8O20Si4 contain?
Where does the data for Er8O20Si4 come from?
How It Compares
As a unique member of the erbium silicate family, Er8O20Si4 serves as a benchmark for stability within its class. It represents a highly ordered structural configuration that provides a foundation for understanding how rare-earth elements influence the insulating characteristics of silicate frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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