Ge4K4N4O4
Ge4K4N4O4 is a stable, semiconducting quaternary compound containing germanium, potassium, nitrogen, and oxygen.
About Ge4K4N4O4
Ge4K4N4O4 is a complex quaternary compound composed of germanium, potassium, nitrogen, and oxygen. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural configuration within its chemical system, offering significant interest for fundamental materials characterization.
This material exhibits semiconducting electronic character, making it a subject of interest for researchers investigating the interplay between its unique anionic framework and charge transport properties. Its existence across multiple structural databases underscores its importance as a well-defined crystalline phase.
Key Properties
Cross-validated computational properties for Ge4K4N4O4, 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 Ge4K4N4O4, 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. |
|---|---|---|---|---|---|
| Pca21 (No. 29) | orthorhombic | 2.68 | 0.0000 | -6.034 | 3.74 |
| Pca21 (No. 29) | — | — | — | — | — |
| — | — | — | — | — | 3.74 |
| — | — | — | — | — | 3.74 |
Frequently Asked Questions
Common questions about Ge4K4N4O4, answered from cross-validated data.
What is Ge4K4N4O4?
Ge4K4N4O4 is a stable, semiconducting quaternary compound containing germanium, potassium, nitrogen, and oxygen.
What is the band gap of Ge4K4N4O4?
Is Ge4K4N4O4 a metal, semiconductor, or insulator?
Is Ge4K4N4O4 thermodynamically stable?
What is the crystal structure of Ge4K4N4O4?
What is the density of Ge4K4N4O4?
How many polymorphs of Ge4K4N4O4 are known?
What elements does Ge4K4N4O4 contain?
Where does the data for Ge4K4N4O4 come from?
How It Compares
As a unique quaternary compound, Ge4K4N4O4 serves as a distinct representative of its chemical family. Without direct structural siblings in this specific class, it stands as a primary reference point for understanding the stability and electronic behavior of complex germanium-potassium-nitrogen-oxygen frameworks.
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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