Gd8O28Si8

Gd8O28Si8 is a stable, wide-band-gap insulating silicate compound utilized in advanced materials research for its structural robustness.

GdOSi
Crystal structure of Gd8O28Si8
Ground-state structure · Materials Project
Overview

About Gd8O28Si8

Gd8O28Si8 is a complex silicate compound characterized by its insulating electronic nature and high thermodynamic stability. As a member of the rare-earth silicate family, it exhibits a robust crystal structure that remains stable under standard conditions, making it a subject of significant interest in materials science research. Its structural integrity is supported by multiple reported configurations across various databases. This compound is primarily valued for its potential in specialized optical and electronic applications where stable, wide-gap materials are required to maintain performance under demanding environments. By leveraging the unique properties of gadolinium within a silicate framework, researchers utilize this material to explore advanced dielectric behaviors and luminescence characteristics.

At a glance

Key Properties

Cross-validated computational properties for Gd8O28Si8, aggregated across 4 databases.

Band Gap

2.80–3.21 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

8
4 databases, 4 space groups
Uses

Applications

Where Gd8O28Si8 is used.

Optical materialsDielectric componentsLuminescent host materials
Reference

Frequently Asked Questions

Common questions about Gd8O28Si8, answered from cross-validated data.

What is Gd8O28Si8?

Gd8O28Si8 is a stable, wide-band-gap insulating silicate compound utilized in advanced materials research for its structural robustness.

More questions
What is Gd8O28Si8 used for?
Gd8O28Si8 is used in optical materials, dielectric components, and luminescent host materials.
What is the band gap of Gd8O28Si8?
Gd8O28Si8 has a DFT-computed band gap of 2.80–3.21 eV across 8 reported structures.
Is Gd8O28Si8 a metal, semiconductor, or insulator?
With a wide band gap up to 3.21 eV it is an insulator / wide-band-gap material.
Is Gd8O28Si8 thermodynamically stable?
Yes — Gd8O28Si8 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Gd8O28Si8 are known?
8 structures of Gd8O28Si8 are reported across 4 databases, spanning 4 distinct space groups.
What elements does Gd8O28Si8 contain?
Gd8O28Si8 contains Gd, O, and Si (3 elements).
Where does the data for Gd8O28Si8 come from?
Gd8O28Si8 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable silicate, Gd8O28Si8 serves as a representative example of the structural diversity found within rare-earth silicates, demonstrating the capacity for complex lattice arrangements that maintain thermodynamic favorability.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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