K4P8Te4
K4P8Te4 is a stable, semiconducting ternary compound containing potassium, phosphorus, and tellurium.
About K4P8Te4
K4P8Te4 is a complex ternary compound composed of potassium, phosphorus, and tellurium. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement within its chemical system.
This material exhibits semiconducting electronic characteristics, making it an interesting candidate for electronic and optoelectronic investigations. Its structural stability suggests potential for synthesis and integration into experimental material studies.
Key Properties
Cross-validated computational properties for K4P8Te4, 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 K4P8Te4, 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. |
|---|---|---|---|---|---|
| P21/m (No. 11) | monoclinic | 1.21 | 0.0000 | -12.895 | 3.24 |
| — | — | — | — | — | 2.58 |
| — | — | — | — | — | 3.99 |
| — | — | — | — | — | 2.76 |
| — | — | — | — | — | 3.04 |
| — | — | — | — | — | 3.70 |
| P21/m (No. 11) | — | — | — | — | — |
| P21/m (No. 11) | — | — | — | — | — |
Frequently Asked Questions
Common questions about K4P8Te4, answered from cross-validated data.
What is K4P8Te4?
K4P8Te4 is a stable, semiconducting ternary compound containing potassium, phosphorus, and tellurium.
What is the band gap of K4P8Te4?
Is K4P8Te4 a metal, semiconductor, or insulator?
Is K4P8Te4 thermodynamically stable?
What is the crystal structure of K4P8Te4?
What is the density of K4P8Te4?
How many polymorphs of K4P8Te4 are known?
What elements does K4P8Te4 contain?
Where does the data for K4P8Te4 come from?
How It Compares
As a unique ternary phase, K4P8Te4 stands as a distinct example of complex chalcogenide-phosphide chemistry. While it lacks direct structural siblings in this specific dataset, its position on the convex hull marks it as a highly stable reference point for future exploration of potassium-based phosphorus-tellurium materials.
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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