La2Mo2O9

La2Mo2O9 is a metastable, insulating lanthanum molybdate oxide utilized in research for its potential electrochemical properties.

LaMoO
Crystal structure of La2Mo2O9
Ground-state structure · Materials Project
Overview

About La2Mo2O9

La2Mo2O9 is a complex oxide characterized by its wide-band-gap insulating electronic nature. As a metastable material, it exhibits structural complexity that has drawn significant interest in materials science research for its potential utility in specialized solid-state systems.

Its importance lies in its unique lattice configuration, which provides a framework for ionic transport. While it remains a subject of ongoing study, its role as a functional oxide makes it a candidate for advanced electrochemical devices where high-temperature stability and specific ion mobility are required.

At a glance

Key Properties

Cross-validated computational properties for La2Mo2O9, aggregated across 3 databases.

Band Gap

3.07 eV
Range across DFT structures

Energy Above Hull

0.042 eV/atom
Best (lowest) across sources

Stability

Metastable
1 DFT source

Structures

5
3 databases, 2 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of La2Mo2O9. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

1
materials_project

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting La2Mo2O9.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where La2Mo2O9 is used.

Solid oxide fuel cell electrolytesOxygen ion conducting materialsHigh-temperature sensors
Intellectual Property

Patent Landscape

1 patent reference La2Mo2O9 or close compositional variants.

PatentTitleAssigneeGranted
7018566Compounds derived from La2Mo2O9 and their use as ionic conductors
Reference

Frequently Asked Questions

Common questions about La2Mo2O9, answered from cross-validated data.

What is La2Mo2O9?

La2Mo2O9 is a metastable, insulating lanthanum molybdate oxide utilized in research for its potential electrochemical properties.

More questions
What is La2Mo2O9 used for?
La2Mo2O9 is used in solid oxide fuel cell electrolytes, oxygen ion conducting materials, and high-temperature sensors.
What is the band gap of La2Mo2O9?
La2Mo2O9 has a DFT-computed band gap of 3.07 eV across 5 reported structures.
Is La2Mo2O9 a metal, semiconductor, or insulator?
With a wide band gap up to 3.07 eV it is an insulator / wide-band-gap material.
Is La2Mo2O9 thermodynamically stable?
La2Mo2O9 has a lowest energy above hull of 0.042 eV/atom (metastable).
How many polymorphs of La2Mo2O9 are known?
5 structures of La2Mo2O9 are reported across 3 databases, spanning 2 distinct space groups.
How is La2Mo2O9 synthesized?
Literature-reported routes for La2Mo2O9 include sol gel, solid state (10 procedures documented).
What elements does La2Mo2O9 contain?
La2Mo2O9 contains La, Mo, and O (3 elements).
Where does the data for La2Mo2O9 come from?
La2Mo2O9 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a specialized oxide, La2Mo2O9 occupies a distinct niche in the landscape of lanthanum-based molybdates. It serves as a primary example of how metastability can be leveraged to engineer materials with specific functional properties that are not typically found in more common, highly stable ceramic oxides.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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