Al8O48P8
Al8O48P8 is a semiconducting aluminum phosphate compound that exists in a metastable state.
About Al8O48P8
Al8O48P8 is a complex inorganic compound composed of aluminum, oxygen, and phosphorus. Its electronic character classifies it as a semiconductor, placing it in a unique position for potential optoelectronic or specialized electronic research applications. The material is characterized by its position above the thermodynamic stability hull, suggesting it is a metastable phase. Its existence across multiple reported structures highlights the structural complexity inherent in aluminum-phosphorus-oxygen systems.
Key Properties
Cross-validated computational properties for Al8O48P8, 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 Al8O48P8, 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/c (No. 14) | monoclinic | 0.00 | 0.4875 | -6.714 | 2.32 |
| Pbca (No. 61) | orthorhombic | 0.22 | 0.4991 | -6.702 | 2.54 |
| P1 (No. 1) | triclinic | 0.46 | 0.5623 | -6.639 | 1.87 |
| No. 0 | unknown | — | — | — | 0.56 |
| No. 0 | unknown | — | — | — | 0.56 |
| — | — | — | — | — | 2.96 |
Applications
Where Al8O48P8 is used.
Frequently Asked Questions
Common questions about Al8O48P8, answered from cross-validated data.
What is Al8O48P8?
Al8O48P8 is a semiconducting aluminum phosphate compound that exists in a metastable state.
What is Al8O48P8 used for?
What is the band gap of Al8O48P8?
Is Al8O48P8 a metal, semiconductor, or insulator?
Is Al8O48P8 thermodynamically stable?
What is the crystal structure of Al8O48P8?
What is the density of Al8O48P8?
How many polymorphs of Al8O48P8 are known?
What elements does Al8O48P8 contain?
Where does the data for Al8O48P8 come from?
How It Compares
As a standalone entry in this structural class, Al8O48P8 represents a specific configuration of aluminum phosphates that serves as a reference point for understanding metastable phases in this chemical family.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
Analyze Al8O48P8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →