Li2Ge2O5

Lithium germanate is a crystalline inorganic compound that belongs to the family of lithium-germanium oxides. It is primarily studied for its potential as a solid electrolyte material in advanced battery technologies and as a precursor for specialized glass ceramics.

Crystal structure of Li2Ge2O5 (orthorhombic, Ccc2 (No. 37))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Li2Ge2O5, aggregated across 3 databases.

Band Gap

3.30 eV
Range across DFT structures

Energy Above Hull

0.022 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

5
3 databases, 1 space group
Crystallography

Reported Structures

Lowest-energy structures reported for Li2Ge2O5, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Ccc2 (No. 37)orthorhombic3.300.0216-6.4463.53
Ccc2 (No. 37)Orthorhombic3.36
Ccc2 (No. 37)Orthorhombic3.56
Ccc2 (No. 37)Orthorhombic3.47
Ccc2 (No. 37)
Uses

Applications

Where Li2Ge2O5 is used.

Solid-state battery researchGlass-ceramic synthesisMaterials science research
Reference

Frequently Asked Questions

Common questions about Li2Ge2O5, answered from cross-validated data.

What is Li2Ge2O5?

Lithium germanate is a crystalline inorganic compound that belongs to the family of lithium-germanium oxides. It is primarily studied for its potential as a solid electrolyte material in advanced battery technologies and as a precursor for specialized glass ceramics.

More questions
What is Li2Ge2O5 used for?
Li2Ge2O5 is used in solid-state battery research, glass-ceramic synthesis, and materials science research.
What is the band gap of Li2Ge2O5?
Li2Ge2O5 has a DFT-computed band gap of 3.30 eV across 5 reported structures.
Is Li2Ge2O5 a metal, semiconductor, or insulator?
With a wide band gap up to 3.30 eV it is an insulator / wide-band-gap material.
Is Li2Ge2O5 thermodynamically stable?
Li2Ge2O5 has a lowest energy above hull of 0.022 eV/atom (near hull (likely stable)).
What is the crystal structure of Li2Ge2O5?
The lowest-energy reported polymorph of Li2Ge2O5 is orthorhombic symmetry, space group Ccc2 (No. 37).
What is the density of Li2Ge2O5?
The computed density of the ground-state structure of Li2Ge2O5 is 3.53 g/cm³.
How many polymorphs of Li2Ge2O5 are known?
5 structures of Li2Ge2O5 are reported across 3 databases, spanning 1 distinct space group.
What elements does Li2Ge2O5 contain?
Li2Ge2O5 contains Ge, Li, and O (3 elements).
Where does the data for Li2Ge2O5 come from?
Li2Ge2O5 data is cross-referenced from materials_project, mpaloe, jarvis.
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Related Compounds

Other Lithium Oxides in the database.

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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