Ga4Nd4O12
Ga4Nd4O12 is a metastable, wide-gap insulating oxide containing gallium and neodymium that is studied for its unique structural properties.
About Ga4Nd4O12
Ga4Nd4O12 is a complex oxide featuring gallium and neodymium, categorized within the broader family of transparent conducting oxides. As a wide-gap insulating material, it exhibits distinct electronic characteristics that differentiate it from the more conductive members of its class.
Despite its metastable nature, this compound is of significant interest for structural studies, with multiple reported configurations across various databases. Its unique composition makes it a subject of ongoing investigation for specialized optoelectronic applications where specific insulating properties are required.
Key Properties
Cross-validated computational properties for Ga4Nd4O12, 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.
Reported Structures
Lowest-energy structures reported for Ga4Nd4O12, 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 | 3.45 | 0.0336 | -7.582 | 7.26 |
| Pm-3m (No. 221) | cubic | 0.00 | 1.4663 | -6.149 | 4.58 |
| Pnma (No. 62) | — | — | — | — | — |
| — | — | — | — | — | 5.91 |
| — | — | — | — | — | 5.91 |
Applications
Where Ga4Nd4O12 is used.
Frequently Asked Questions
Common questions about Ga4Nd4O12, answered from cross-validated data.
What is Ga4Nd4O12?
Ga4Nd4O12 is a metastable, wide-gap insulating oxide containing gallium and neodymium that is studied for its unique structural properties.
What is Ga4Nd4O12 used for?
What is the band gap of Ga4Nd4O12?
Is Ga4Nd4O12 a metal, semiconductor, or insulator?
Is Ga4Nd4O12 thermodynamically stable?
What is the crystal structure of Ga4Nd4O12?
What is the density of Ga4Nd4O12?
How many polymorphs of Ga4Nd4O12 are known?
What elements does Ga4Nd4O12 contain?
Where does the data for Ga4Nd4O12 come from?
How It Compares
Within the transparent conducting oxides class.
Unlike highly conductive transparent oxides such as BaSnO3 or ZnO, Ga4Nd4O12 functions primarily as an insulator due to its wide electronic gap. While materials like ZnGa2O4 are frequently utilized for their conductive or luminescent potential, Ga4Nd4O12 occupies a more niche role as a metastable phase that offers researchers a different structural framework for exploring oxide chemistry.
Related Compounds
Other Transparent Conducting Oxides in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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