Li2VFe3O8

Li2VFe3O8 is a metastable semiconducting oxide containing lithium, vanadium, and iron that is primarily studied for its potential in electrochemical energy storage systems.

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Crystal structure of Li2VFe3O8 (cubic, P4332 (No. 212))
Ground-state structure · Materials Project
Overview

About Li2VFe3O8

Li2VFe3O8 is a complex oxide featuring a mix of lithium, vanadium, iron, and oxygen. As a semiconducting material, it exhibits electronic properties that make it a subject of interest for researchers investigating transition metal-based compounds for energy-related applications. Its metastable nature suggests a unique structural configuration that requires careful synthesis control to achieve phase purity. The material has been documented across multiple structural databases, highlighting its significance in solid-state chemistry research. By leveraging the redox activity of both vanadium and iron, this compound serves as a candidate for exploring ion-transport mechanisms in battery technologies.

At a glance

Key Properties

Cross-validated computational properties for Li2VFe3O8, aggregated across 3 databases.

Band Gap

1.03–1.48 eV
Range across DFT structures

Energy Above Hull

0.075 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

9
3 databases, 4 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Li2VFe3O8, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P4332 (No. 212)cubic1.360.0754-7.5533.92
R-3m (No. 166)trigonal1.030.0789-7.5493.93
P63mc (No. 186)hexagonal1.480.0959-7.5324.08
Cmc21 (No. 36)orthorhombic1.320.1088-7.5194.21
R-3m (No. 166)Trigonal3.93
R-3m (No. 166)
P63mc (No. 186)
R-3m (No. 166)Trigonal4.09
R-3m (No. 166)Trigonal4.27
Uses

Applications

Where Li2VFe3O8 is used.

Electrochemical energy storage researchBattery electrode material developmentSolid-state ionics
Reference

Frequently Asked Questions

Common questions about Li2VFe3O8, answered from cross-validated data.

What is Li2VFe3O8?

Li2VFe3O8 is a metastable semiconducting oxide containing lithium, vanadium, and iron that is primarily studied for its potential in electrochemical energy storage systems.

More questions
What is Li2VFe3O8 used for?
Li2VFe3O8 is used in electrochemical energy storage research, battery electrode material development, and solid-state ionics.
What is the band gap of Li2VFe3O8?
Li2VFe3O8 has a DFT-computed band gap of 1.03–1.48 eV across 9 reported structures.
Is Li2VFe3O8 a metal, semiconductor, or insulator?
With a band gap up to 1.48 eV it is a semiconductor.
Is Li2VFe3O8 thermodynamically stable?
Li2VFe3O8 has a lowest energy above hull of 0.075 eV/atom (metastable).
What is the crystal structure of Li2VFe3O8?
The lowest-energy reported polymorph of Li2VFe3O8 is cubic symmetry, space group P4332 (No. 212).
What is the density of Li2VFe3O8?
The computed density of the ground-state structure of Li2VFe3O8 is 3.92 g/cm³.
How many polymorphs of Li2VFe3O8 are known?
9 structures of Li2VFe3O8 are reported across 3 databases, spanning 4 distinct space groups.
What elements does Li2VFe3O8 contain?
Li2VFe3O8 contains Fe, Li, O, and V (4 elements).
Where does the data for Li2VFe3O8 come from?
Li2VFe3O8 data is cross-referenced from materials_project, mpaloe, jarvis.
Comparison

How It Compares

As a unique transition metal oxide, Li2VFe3O8 occupies a specialized niche within the broader landscape of lithium-containing mixed-metal oxides. Unlike more common binary or ternary oxides, its multi-cation composition allows for a complex electronic environment that distinguishes it from simpler structural analogues in the field of inorganic materials science.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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