LuGaO3

LuGaO3 is a thermodynamically stable, wide-band-gap insulating oxide utilized in advanced optical and electronic applications.

Crystal structure of LuGaO3
Ground-state structure · Materials Project
Overview

About LuGaO3

LuGaO3 is a complex oxide composed of lutetium, gallium, and oxygen that resides on the convex hull, indicating significant thermodynamic stability. As a wide-band-gap insulator, it represents a specialized member of the broader transparent conducting oxide family, valued for its structural robustness and electronic properties. Its structural diversity is highlighted by numerous reported configurations across major materials databases, making it a subject of interest for fundamental solid-state research. The material is primarily utilized in applications requiring stable, wide-gap dielectric performance where transparency and chemical durability are essential requirements. By leveraging its stable lattice, researchers explore its potential in advanced thin-film technologies and optical components.

At a glance

Key Properties

Cross-validated computational properties for LuGaO3, aggregated across 3 databases.

Band Gap

2.51–3.97 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

15
3 databases, 4 space groups
Uses

Applications

Where LuGaO3 is used.

Optical coatingsDielectric thin filmsSolid-state research
Reference

Frequently Asked Questions

Common questions about LuGaO3, answered from cross-validated data.

What is LuGaO3?

LuGaO3 is a thermodynamically stable, wide-band-gap insulating oxide utilized in advanced optical and electronic applications.

More questions
What is LuGaO3 used for?
LuGaO3 is used in optical coatings, dielectric thin films, and solid-state research.
What is the band gap of LuGaO3?
LuGaO3 has a DFT-computed band gap of 2.51–3.97 eV across 15 reported structures.
Is LuGaO3 a metal, semiconductor, or insulator?
With a wide band gap up to 3.97 eV it is an insulator / wide-band-gap material.
Is LuGaO3 thermodynamically stable?
Yes — LuGaO3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of LuGaO3 are known?
15 structures of LuGaO3 are reported across 3 databases, spanning 4 distinct space groups.
What elements does LuGaO3 contain?
LuGaO3 contains Ga, Lu, and O (3 elements).
Where does the data for LuGaO3 come from?
LuGaO3 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the transparent conducting oxides class.

While many members of the transparent conducting oxide class, such as ZnO or BaSnO3, are engineered for high electrical conductivity, LuGaO3 distinguishes itself as a robust insulating counterpart. Unlike the spinel-structured ZnGa2O4 or the perovskite-related LaGaO3, LuGaO3 maintains a distinct electronic character that limits charge carrier mobility, positioning it as a specialized dielectric rather than a traditional transparent conductor.

Explore

Related Compounds

Other Transparent Conducting Oxides in the database.

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

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