Gd8O28Si8
Gd8O28Si8 is a stable, wide-band-gap insulating silicate compound utilized in advanced materials research for its structural robustness.
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.
Key Properties
Cross-validated computational properties for Gd8O28Si8, 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.
Reported Structures
Lowest-energy structures reported for Gd8O28Si8, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 3.21 | 0.0000 | -10.324 | 5.50 |
| P-1 (No. 2) | triclinic | 2.80 | 0.0111 | -10.313 | 5.96 |
| P21/c (No. 14) | monoclinic | 2.90 | 0.0302 | -10.294 | 5.93 |
| No. 0 | unknown | — | — | — | 1.37 |
| — | — | — | — | — | 5.75 |
| P21/c (No. 14) | — | — | — | — | — |
| P-1 (No. 2) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
Applications
Where Gd8O28Si8 is used.
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.
What is Gd8O28Si8 used for?
What is the band gap of Gd8O28Si8?
Is Gd8O28Si8 a metal, semiconductor, or insulator?
Is Gd8O28Si8 thermodynamically stable?
What is the crystal structure of Gd8O28Si8?
What is the density of Gd8O28Si8?
How many polymorphs of Gd8O28Si8 are known?
What elements does Gd8O28Si8 contain?
Where does the data for Gd8O28Si8 come from?
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
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
Analyze Gd8O28Si8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →