Al8B8O28Rb8

Al8B8O28Rb8 is a stable, wide-band-gap insulating compound composed of aluminum, boron, oxygen, and rubidium.

AlBORb
Crystal structure of Al8B8O28Rb8
Ground-state structure · Materials Project
Overview

About Al8B8O28Rb8

Al8B8O28Rb8 is a complex oxide featuring aluminum, boron, and rubidium. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration within its chemical system.

This material exhibits a wide-band-gap insulating electronic character, making it an interesting candidate for applications requiring dielectric stability. Its unique composition allows for specialized uses where high-performance inorganic insulators are necessary.

At a glance

Key Properties

Cross-validated computational properties for Al8B8O28Rb8, aggregated across 3 databases.

Band Gap

4.18 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

3
3 databases, 2 space groups
Uses

Applications

Where Al8B8O28Rb8 is used.

Dielectric materialsAdvanced inorganic insulatorsSolid-state research
Reference

Frequently Asked Questions

Common questions about Al8B8O28Rb8, answered from cross-validated data.

What is Al8B8O28Rb8?

Al8B8O28Rb8 is a stable, wide-band-gap insulating compound composed of aluminum, boron, oxygen, and rubidium.

More questions
What is Al8B8O28Rb8 used for?
Al8B8O28Rb8 is used in dielectric materials, advanced inorganic insulators, and solid-state research.
What is the band gap of Al8B8O28Rb8?
Al8B8O28Rb8 has a DFT-computed band gap of 4.18 eV across 3 reported structures.
Is Al8B8O28Rb8 a metal, semiconductor, or insulator?
With a wide band gap up to 4.18 eV it is an insulator / wide-band-gap material.
Is Al8B8O28Rb8 thermodynamically stable?
Yes — Al8B8O28Rb8 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Al8B8O28Rb8 are known?
3 structures of Al8B8O28Rb8 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Al8B8O28Rb8 contain?
Al8B8O28Rb8 contains Al, B, O, and Rb (4 elements).
Where does the data for Al8B8O28Rb8 come from?
Al8B8O28Rb8 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct member of the aluminoborate family, Al8B8O28Rb8 stands out for its thermodynamic stability and well-defined structural framework. While it shares the insulating nature common to many complex oxides in this category, its specific stoichiometry provides a unique structural environment compared to other alkali-metal-doped borates.

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

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