K14O56P16Pd9
K14O56P16Pd9 is a semiconducting quaternary oxide that exists in a near-hull state, making it a promising candidate for experimental synthesis and material characterization.
About K14O56P16Pd9
K14O56P16Pd9 is a complex quaternary oxide containing potassium, phosphorus, and palladium. Its electronic character classifies it as a semiconductor, positioning it as an intriguing candidate for specialized solid-state electronic applications.
As a near-hull stable phase, this compound is considered a viable target for experimental synthesis. Its existence across multiple structural databases highlights its significance as a distinct chemical entity within the broader landscape of palladium-based phosphate materials.
Key Properties
Cross-validated computational properties for K14O56P16Pd9, 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 K14O56P16Pd9, 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. |
|---|---|---|---|---|---|
| Cm (No. 8) | monoclinic | 1.19 | 0.0115 | -6.795 | 3.27 |
| — | — | — | — | — | 2.31 |
| — | — | — | — | — | — |
Applications
Where K14O56P16Pd9 is used.
Frequently Asked Questions
Common questions about K14O56P16Pd9, answered from cross-validated data.
What is K14O56P16Pd9?
K14O56P16Pd9 is a semiconducting quaternary oxide that exists in a near-hull state, making it a promising candidate for experimental synthesis and material characterization.
What is K14O56P16Pd9 used for?
What is the band gap of K14O56P16Pd9?
Is K14O56P16Pd9 a metal, semiconductor, or insulator?
Is K14O56P16Pd9 thermodynamically stable?
What is the crystal structure of K14O56P16Pd9?
What is the density of K14O56P16Pd9?
How many polymorphs of K14O56P16Pd9 are known?
What elements does K14O56P16Pd9 contain?
Where does the data for K14O56P16Pd9 come from?
How It Compares
As a unique quaternary phase, K14O56P16Pd9 represents a specialized structural arrangement within the complex family of palladium-containing phosphates, serving as a benchmark for understanding the stability of high-order metal-phosphate frameworks.
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).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
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