O3P1Y1
Yttrium phosphate · YPO4, Xenotime
Yttrium phosphate is a stable, insulating crystalline material widely utilized for its optical and thermal properties in high-tech applications.
About Yttrium phosphate
Yttrium phosphate is a robust, thermodynamically stable inorganic compound characterized by its insulating electronic nature. Its structural integrity and chemical resilience make it a foundational material in high-performance ceramic science and materials engineering.
Due to its wide-band-gap properties, this compound is highly valued for its optical transparency and stability under extreme conditions. It serves as a critical host material for luminescence and is widely utilized in the development of specialized phosphors and laser host crystals.
Key Properties
Cross-validated computational properties for Yttrium 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 O3P1Y1, 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. |
|---|---|---|---|---|---|
| R-3 (No. 148) | trigonal | 5.68 | 0.0000 | -8.188 | 3.66 |
| P21/m (No. 11) | monoclinic | 5.76 | 0.0011 | -8.186 | 3.74 |
| P21/c (No. 14) | monoclinic | 5.86 | 0.0054 | -8.182 | 3.67 |
| Cc (No. 9) | monoclinic | 5.63 | 0.0063 | -8.181 | 3.81 |
| P1 (No. 1) | triclinic | 0.83 | 0.4812 | -7.706 | 3.74 |
| Pm-3m (No. 221) | — | — | — | — | — |
| Pm-3m (No. 221) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.60 |
Applications
Where Yttrium phosphate is used.
Frequently Asked Questions
Common questions about Yttrium phosphate, answered from cross-validated data.
What is O3P1Y1?
Yttrium phosphate is a stable, insulating crystalline material widely utilized for its optical and thermal properties in high-tech applications.
What is O3P1Y1 used for?
What is the band gap of O3P1Y1?
Is O3P1Y1 a metal, semiconductor, or insulator?
Is O3P1Y1 thermodynamically stable?
What is the crystal structure of O3P1Y1?
What is the density of O3P1Y1?
How many polymorphs of O3P1Y1 are known?
What elements does O3P1Y1 contain?
Where does the data for O3P1Y1 come from?
How It Compares
As a stable inorganic phosphate, this compound represents a key benchmark for structural predictability and chemical durability within its class of rare-earth orthophosphates.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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