Ge4K2O18V6
Ge4K2O18V6 is a stable, semiconducting quaternary oxide composed of germanium, potassium, oxygen, and vanadium.
About Ge4K2O18V6
Ge4K2O18V6 is a complex oxide compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of germanium, potassium, oxygen, and vanadium atoms.
This material is of interest to researchers investigating the interplay between transition metals and main-group elements in solid-state chemistry. Its stability suggests potential for applications where structural integrity under various conditions is paramount.
Key Properties
Cross-validated computational properties for Ge4K2O18V6, 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 Ge4K2O18V6, 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. |
|---|---|---|---|---|---|
| P63/mmc (No. 194) | hexagonal | 1.63 | 0.0000 | -7.856 | 3.73 |
| P63/mmc (No. 194) | — | — | — | — | — |
| — | — | — | — | — | 3.46 |
Applications
Where Ge4K2O18V6 is used.
Frequently Asked Questions
Common questions about Ge4K2O18V6, answered from cross-validated data.
What is Ge4K2O18V6?
Ge4K2O18V6 is a stable, semiconducting quaternary oxide composed of germanium, potassium, oxygen, and vanadium.
What is Ge4K2O18V6 used for?
What is the band gap of Ge4K2O18V6?
Is Ge4K2O18V6 a metal, semiconductor, or insulator?
Is Ge4K2O18V6 thermodynamically stable?
What is the crystal structure of Ge4K2O18V6?
What is the density of Ge4K2O18V6?
How many polymorphs of Ge4K2O18V6 are known?
What elements does Ge4K2O18V6 contain?
Where does the data for Ge4K2O18V6 come from?
How It Compares
As a specialized oxide, Ge4K2O18V6 occupies a unique niche in materials science. It serves as a distinct example of how multi-element coordination can result in a stable, semiconducting framework, providing a baseline for future exploration of similar complex quaternary oxide systems.
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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