LaVO4
Lanthanum orthovanadate · Lanthanum vanadate
Lanthanum orthovanadate is a stable, insulating oxide material widely studied for its versatile structural properties and potential utility in functional device applications.
About Lanthanum orthovanadate
Lanthanum orthovanadate is a thermodynamically stable inorganic compound that exists as a wide-gap insulator. Its robust structural framework makes it a subject of significant interest in materials science research, characterized by a high degree of structural diversity across multiple reported configurations.
This compound functions as an important host material in various technological applications. Due to its insulating nature and stability, it is frequently investigated for its ability to accommodate dopants, which facilitates the development of functional materials with tailored electronic and optical properties.
Key Properties
Cross-validated computational properties for Lanthanum orthovanadate, aggregated across 4 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 LaVO4, 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 | 2.86 | 0.0000 | -8.860 | 4.62 |
| P21/c (No. 14) | monoclinic | 3.52 | 0.0356 | -8.824 | 5.07 |
| I41/amd (No. 141) | Tetragonal | — | — | — | 4.50 |
| I41/amd (No. 141) | Tetragonal | — | — | — | 4.82 |
| No. 0 | unknown | — | — | — | 1.26 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.26 |
| I41/amd (No. 141) | Tetragonal | — | — | — | 4.60 |
| P21/c (No. 14) | Monoclinic | — | — | — | 4.89 |
| P21/c (No. 14) | Monoclinic | — | — | — | 5.00 |
| I41/amd (No. 141) | — | — | — | — | — |
Synthesis Routes
Literature-extracted synthesis procedures targeting LaVO4.
Applications
Where Lanthanum orthovanadate is used.
Frequently Asked Questions
Common questions about Lanthanum orthovanadate, answered from cross-validated data.
What is LaVO4?
Lanthanum orthovanadate is a stable, insulating oxide material widely studied for its versatile structural properties and potential utility in functional device applications.
What is LaVO4 used for?
What is the band gap of LaVO4?
Is LaVO4 a metal, semiconductor, or insulator?
Is LaVO4 thermodynamically stable?
What is the crystal structure of LaVO4?
What is the density of LaVO4?
How many polymorphs of LaVO4 are known?
How is LaVO4 synthesized?
What elements does LaVO4 contain?
Where does the data for LaVO4 come from?
How It Compares
As a stable member of the orthovanadate family, this compound serves as a fundamental reference point for understanding the structural and electronic behavior of lanthanide-based vanadates in the solid state.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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