Dy2O8V2
Dysprosium vanadate · DyVO4
Dysprosium vanadate is a stable, semiconducting rare-earth oxide utilized in advanced physical and materials science research.
About Dysprosium vanadate
Dysprosium vanadate is a complex oxide featuring dysprosium and vanadium. As a thermodynamically stable compound, it maintains a robust structural framework that makes it a significant subject for solid-state chemistry and materials research.
This material exhibits semiconducting electronic behavior, which is central to its utility in specialized electronic and optical applications. Its structural integrity is well-documented, with numerous reported configurations confirming its importance in the broader landscape of rare-earth vanadates.
Key Properties
Cross-validated computational properties for Dysprosium vanadate, 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 Dy2O8V2, 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 | 2.98 | 0.0000 | -8.792 | 5.77 |
| I41/a (No. 88) | tetragonal | 2.78 | 0.0370 | -8.755 | 6.57 |
| — | — | — | — | — | 6.56 |
| — | — | — | — | — | 4.77 |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/a (No. 88) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
| I41/amd (No. 141) | — | — | — | — | — |
Applications
Where Dysprosium vanadate is used.
Frequently Asked Questions
Common questions about Dysprosium vanadate, answered from cross-validated data.
What is Dy2O8V2?
Dysprosium vanadate is a stable, semiconducting rare-earth oxide utilized in advanced physical and materials science research.
What is Dy2O8V2 used for?
What is the band gap of Dy2O8V2?
Is Dy2O8V2 a metal, semiconductor, or insulator?
Is Dy2O8V2 thermodynamically stable?
What is the crystal structure of Dy2O8V2?
What is the density of Dy2O8V2?
How many polymorphs of Dy2O8V2 are known?
What elements does Dy2O8V2 contain?
Where does the data for Dy2O8V2 come from?
How It Compares
As a member of the rare-earth vanadate family, this compound serves as a critical reference point for understanding the interplay between lanthanide magnetism and vanadium-based electronic properties, standing out for its high thermodynamic stability and structural reliability.
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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