Lu2O8P2
Lutetium phosphate · Lutetium orthophosphate
Lutetium phosphate is a stable, insulating inorganic compound used in advanced optical and ceramic technologies.
About Lutetium phosphate
Lutetium phosphate is a robust, wide-gap insulating material that exists as a thermodynamically stable phase. Its structural integrity and electronic properties make it a subject of significant interest within materials science research, supported by multiple documented structural configurations.
As a stable phosphate, this compound is highly valued for its chemical durability and potential for hosting rare-earth ions. Its insulating nature and structural reliability are essential for its utility in high-performance optical and electronic components where thermal and chemical stability are paramount.
Key Properties
Cross-validated computational properties for Lutetium phosphate, 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 Lu2O8P2, 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. |
|---|---|---|---|---|---|
| I41/amd (No. 141) | tetragonal | 5.96 | 0.0000 | -8.474 | 6.69 |
| I41/a (No. 88) | tetragonal | 5.99 | 0.0998 | -8.375 | 7.10 |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| — | — | — | — | — | 5.59 |
Applications
Where Lutetium phosphate is used.
Frequently Asked Questions
Common questions about Lutetium phosphate, answered from cross-validated data.
What is Lu2O8P2?
Lutetium phosphate is a stable, insulating inorganic compound used in advanced optical and ceramic technologies.
What is Lu2O8P2 used for?
What is the band gap of Lu2O8P2?
Is Lu2O8P2 a metal, semiconductor, or insulator?
Is Lu2O8P2 thermodynamically stable?
What is the crystal structure of Lu2O8P2?
What is the density of Lu2O8P2?
How many polymorphs of Lu2O8P2 are known?
What elements does Lu2O8P2 contain?
Where does the data for Lu2O8P2 come from?
How It Compares
As a standalone member of the phosphate class, lutetium phosphate serves as a benchmark for stability and structural versatility. Its position on the convex hull underscores its reliability compared to less stable compositions, establishing it as a foundational material for specialized applications requiring long-term chemical and thermal resilience.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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