K2Zn3O4
K2Zn3O4 is a thermodynamically stable, semiconducting ternary oxide used in materials science research for its potential applications in electronic and optoelectronic technologies.
About K2Zn3O4
K2Zn3O4 is a complex oxide composed of potassium, zinc, and oxygen. As a member of the transparent conducting oxide family, it exhibits semiconducting electronic behavior and maintains a thermodynamically stable state on the convex hull, making it a subject of interest for structural and electronic research.
This material is recognized for its structural diversity, with multiple reported configurations across various databases. Its unique composition allows it to function within specialized electronic applications where stable, semiconducting oxide frameworks are required for performance.
Key Properties
Cross-validated computational properties for K2Zn3O4, 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 K2Zn3O4, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 1.41 | 0.0000 | -4.579 | 4.29 |
| C2/c (No. 15) | — | — | — | — | — |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.07 |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.31 |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.25 |
Applications
Where K2Zn3O4 is used.
Frequently Asked Questions
Common questions about K2Zn3O4, answered from cross-validated data.
What is K2Zn3O4?
K2Zn3O4 is a thermodynamically stable, semiconducting ternary oxide used in materials science research for its potential applications in electronic and optoelectronic technologies.
What is K2Zn3O4 used for?
What is the band gap of K2Zn3O4?
Is K2Zn3O4 a metal, semiconductor, or insulator?
Is K2Zn3O4 thermodynamically stable?
What is the crystal structure of K2Zn3O4?
What is the density of K2Zn3O4?
How many polymorphs of K2Zn3O4 are known?
What elements does K2Zn3O4 contain?
Where does the data for K2Zn3O4 come from?
How It Compares
Within the transparent conducting oxides class.
Within the broader class of transparent conducting oxides, K2Zn3O4 occupies a distinct position compared to more common binary oxides like ZnO. While ZnO is widely utilized for its well-characterized optoelectronic properties, K2Zn3O4 represents a more complex ternary arrangement that offers different structural and electronic pathways for potential integration into advanced thin-film or semiconductor devices.
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).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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