Al5HO8

Al5HO8 is a wide-gap insulating aluminum-based compound that is considered thermodynamically stable and a candidate for experimental synthesis.

AlHO
Crystal structure of Al5HO8
Ground-state structure · Materials Project
Overview

About Al5HO8

Al5HO8 is an insulating aluminum-based compound characterized by a wide electronic band gap. Its status as a near-hull material suggests that it is thermodynamically stable enough to be a viable candidate for experimental synthesis and further characterization.

Given the multiple reported structures across various databases, this compound represents an intriguing area of study for researchers focused on aluminum-oxygen-hydrogen systems. Its electronic properties make it a potential candidate for applications requiring stable, insulating inorganic frameworks.

At a glance

Key Properties

Cross-validated computational properties for Al5HO8, aggregated across 3 databases.

Band Gap

0.03–4.33 eV
Range across DFT structures

Energy Above Hull

0.008 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

7
3 databases, 1 space group
Uses

Applications

Where Al5HO8 is used.

Fundamental materials researchInsulating thin-film developmentStructural phase studies
Reference

Frequently Asked Questions

Common questions about Al5HO8, answered from cross-validated data.

What is Al5HO8?

Al5HO8 is a wide-gap insulating aluminum-based compound that is considered thermodynamically stable and a candidate for experimental synthesis.

More questions
What is Al5HO8 used for?
Al5HO8 is used in fundamental materials research, insulating thin-film development, and structural phase studies.
What is the band gap of Al5HO8?
Al5HO8 has a DFT-computed band gap of 0.03–4.33 eV across 7 reported structures.
Is Al5HO8 a metal, semiconductor, or insulator?
With a wide band gap up to 4.33 eV it is an insulator / wide-band-gap material.
Is Al5HO8 thermodynamically stable?
Al5HO8 has a lowest energy above hull of 0.008 eV/atom (near hull (likely stable)).
How many polymorphs of Al5HO8 are known?
7 structures of Al5HO8 are reported across 3 databases, spanning 1 distinct space group.
What elements does Al5HO8 contain?
Al5HO8 contains Al, H, and O (3 elements).
Where does the data for Al5HO8 come from?
Al5HO8 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique inorganic compound, Al5HO8 occupies a specialized niche within aluminum-based materials. While it lacks direct structural siblings in this context, its position near the thermodynamic hull highlights its potential as a stable, synthesizable phase compared to more elusive or highly unstable theoretical compounds.

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

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