BiAuO2

BiAuO2 is a metastable semiconducting ternary oxide composed of bismuth, gold, and oxygen.

AuBiO
Crystal structure of BiAuO2
Ground-state structure · Materials Project
Overview

About BiAuO2

BiAuO2 is a complex ternary oxide that integrates heavy bismuth and noble gold elements within an oxygen framework. As a semiconducting material, it represents an intriguing subject for researchers exploring non-traditional electronic states in metal-oxide systems.

Because this compound exists in a metastable state, it requires precise synthesis conditions to stabilize its crystalline arrangement. Its existence across multiple databases highlights its importance as a specialized candidate for advanced materials research.

At a glance

Key Properties

Cross-validated computational properties for BiAuO2, aggregated across 3 databases.

Band Gap

1.08 eV
Range across DFT structures

Energy Above Hull

0.038 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

5
3 databases, 2 space groups
Uses

Applications

Where BiAuO2 is used.

Advanced materials researchSolid-state chemistry studies
Reference

Frequently Asked Questions

Common questions about BiAuO2, answered from cross-validated data.

What is BiAuO2?

BiAuO2 is a metastable semiconducting ternary oxide composed of bismuth, gold, and oxygen.

More questions
What is BiAuO2 used for?
BiAuO2 is used in advanced materials research and solid-state chemistry studies.
What is the band gap of BiAuO2?
BiAuO2 has a DFT-computed band gap of 1.08 eV across 5 reported structures.
Is BiAuO2 a metal, semiconductor, or insulator?
With a band gap up to 1.08 eV it is a semiconductor.
Is BiAuO2 thermodynamically stable?
BiAuO2 has a lowest energy above hull of 0.038 eV/atom (metastable).
How many polymorphs of BiAuO2 are known?
5 structures of BiAuO2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does BiAuO2 contain?
BiAuO2 contains Au, Bi, and O (3 elements).
Where does the data for BiAuO2 come from?
BiAuO2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary oxide, BiAuO2 occupies a specialized niche in materials science where the combination of gold and bismuth creates distinct electronic properties that differ significantly from standard binary oxides.

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

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