LaNiO3
Lanthanum nickelate · LNO
LaNiO3 is a thermodynamically stable, semiconducting lanthanum nickel oxide used primarily as a catalyst for oxygen-evolution reactions.
About Lanthanum nickelate
LaNiO3 is a prominent member of the transition metal oxide family, characterized by its semiconducting electronic nature and high thermodynamic stability. As a material residing on the convex hull, it represents a robust structural configuration that is highly sought after for catalytic applications.
This compound plays a critical role in oxygen-evolution processes, where its specific electronic environment facilitates efficient surface reactions. Its structural versatility, evidenced by numerous reported configurations, makes it a subject of significant interest for researchers developing next-generation electrochemical energy devices.
Key Properties
Cross-validated computational properties for Lanthanum nickelate, 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting LaNiO3.
Applications
Where Lanthanum nickelate is used.
Patent Landscape
2 patents reference LaNiO3 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 9412485 | LaNiO3 thin film-forming composition and method of forming LaNiO3 thin film using the same | — | — |
| 7083869 | Methods of forming LaNiO3 conductive layers, ferro-electric devices with LaNiO3 layers, and precursor formatio | — | — |
Frequently Asked Questions
Common questions about Lanthanum nickelate, answered from cross-validated data.
What is LaNiO3?
LaNiO3 is a thermodynamically stable, semiconducting lanthanum nickel oxide used primarily as a catalyst for oxygen-evolution reactions.
What is LaNiO3 used for?
What is the band gap of LaNiO3?
Is LaNiO3 a metal, semiconductor, or insulator?
Is LaNiO3 thermodynamically stable?
How many polymorphs of LaNiO3 are known?
How is LaNiO3 synthesized?
What elements does LaNiO3 contain?
Where does the data for LaNiO3 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Within the class of oxide oxygen-evolution catalysts, LaNiO3 distinguishes itself from siblings like LaMnO3 and LaFeO3 through its unique nickel-based electronic structure. While materials like LiNiO2 are frequently utilized in battery cathodes, LaNiO3 is specifically valued for its stability and catalytic activity in oxygen-related electrochemical pathways, offering a distinct performance profile compared to simple binary oxides like NiO.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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