K4Te4Zn2
K4Te4Zn2 is a stable, semiconducting ternary compound containing potassium, tellurium, and zinc.
About K4Te4Zn2
K4Te4Zn2 is a complex ternary chalcogenide that exists as a thermodynamically stable phase on the convex hull. Its electronic character is defined as semiconducting, making it a subject of interest for researchers investigating specialized electronic and optoelectronic materials.
Because it occupies a stable position in its phase space, this compound serves as a reliable building block for structural studies. Its composition, involving potassium, tellurium, and zinc, allows for unique coordination environments that are critical for understanding the behavior of complex semiconducting solids.
Key Properties
Cross-validated computational properties for K4Te4Zn2, 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 K4Te4Zn2, 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. |
|---|---|---|---|---|---|
| Ibam (No. 72) | orthorhombic | 2.05 | 0.0000 | -2.998 | 3.71 |
| — | — | — | — | — | 3.36 |
| Ibam (No. 72) | — | — | — | — | — |
Applications
Where K4Te4Zn2 is used.
Frequently Asked Questions
Common questions about K4Te4Zn2, answered from cross-validated data.
What is K4Te4Zn2?
K4Te4Zn2 is a stable, semiconducting ternary compound containing potassium, tellurium, and zinc.
What is K4Te4Zn2 used for?
What is the band gap of K4Te4Zn2?
Is K4Te4Zn2 a metal, semiconductor, or insulator?
Is K4Te4Zn2 thermodynamically stable?
What is the crystal structure of K4Te4Zn2?
What is the density of K4Te4Zn2?
How many polymorphs of K4Te4Zn2 are known?
What elements does K4Te4Zn2 contain?
Where does the data for K4Te4Zn2 come from?
How It Compares
As a member of the ternary potassium-zinc-telluride system, K4Te4Zn2 represents a distinct structural arrangement within its chemical family. It serves as a foundational example of how these elements combine to form stable, semiconducting architectures, providing a benchmark for exploring the broader landscape of alkali-metal chalcogenide semiconductors.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- 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).
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