Al8K24P16
Al8K24P16 is a thermodynamically stable, semiconducting ternary compound containing aluminum, potassium, and phosphorus.
About Al8K24P16
Al8K24P16 is a complex ternary compound composed of aluminum, potassium, and phosphorus. Its position on the convex hull indicates that it is a thermodynamically stable phase, making it a significant subject for structural analysis within its chemical system.
As a semiconducting material, this compound offers unique electronic properties that distinguish it from simple metallic or insulating phases. Its existence across multiple reported structures suggests a versatile framework that warrants further investigation for specialized electronic applications.
Key Properties
Cross-validated computational properties for Al8K24P16, 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 Al8K24P16, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 0.97 | 0.0000 | -7.755 | 1.94 |
| — | — | — | — | — | 1.30 |
| P-1 (No. 2) | — | — | — | — | — |
| P-1 (No. 2) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Al8K24P16, answered from cross-validated data.
What is Al8K24P16?
Al8K24P16 is a thermodynamically stable, semiconducting ternary compound containing aluminum, potassium, and phosphorus.
What is the band gap of Al8K24P16?
Is Al8K24P16 a metal, semiconductor, or insulator?
Is Al8K24P16 thermodynamically stable?
What is the crystal structure of Al8K24P16?
What is the density of Al8K24P16?
How many polymorphs of Al8K24P16 are known?
What elements does Al8K24P16 contain?
Where does the data for Al8K24P16 come from?
How It Compares
As a unique ternary phase within the aluminum-potassium-phosphorus system, this compound serves as a critical reference point for understanding the stability and electronic behavior of complex phosphides. Unlike simpler binary compounds, its intricate stoichiometry provides a distinct structural profile that helps define the boundaries of stable phases in this material class.
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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