Al3BN4

Al3BN4 is a wide-gap ternary nitride semiconductor that exists as a metastable phase within the aluminum-boron-nitrogen material system.

Crystal structure of Al3BN4
Ground-state structure · Materials Project
Overview

About Al3BN4

Al3BN4 is a complex nitride semiconductor characterized by a wide-gap electronic structure. As a ternary compound within the aluminum-boron-nitrogen system, it represents a niche material class that bridges the properties of binary nitrides with more intricate structural arrangements.

While its thermodynamic stability is limited, placing it above the hull, the compound remains a subject of interest for researchers investigating new semiconductor phases. Its electronic nature as an insulator suggests potential applications in specialized dielectric or high-performance electronic environments where wide-gap materials are required.

At a glance

Key Properties

Cross-validated computational properties for Al3BN4, aggregated across 3 databases.

Band Gap

3.36 eV
Range across DFT structures

Energy Above Hull

0.252 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

3
3 databases, 1 space group
Uses

Applications

Where Al3BN4 is used.

Semiconductor researchDielectric material studiesHigh-performance electronics development
Reference

Frequently Asked Questions

Common questions about Al3BN4, answered from cross-validated data.

What is Al3BN4?

Al3BN4 is a wide-gap ternary nitride semiconductor that exists as a metastable phase within the aluminum-boron-nitrogen material system.

More questions
What is Al3BN4 used for?
Al3BN4 is used in semiconductor research, dielectric material studies, and high-performance electronics development.
What is the band gap of Al3BN4?
Al3BN4 has a DFT-computed band gap of 3.36 eV across 3 reported structures.
Is Al3BN4 a metal, semiconductor, or insulator?
With a wide band gap up to 3.36 eV it is an insulator / wide-band-gap material.
Is Al3BN4 thermodynamically stable?
Al3BN4 has a lowest energy above hull of 0.252 eV/atom (above hull).
How many polymorphs of Al3BN4 are known?
3 structures of Al3BN4 are reported across 3 databases, spanning 1 distinct space group.
What elements does Al3BN4 contain?
Al3BN4 contains Al, B, and N (3 elements).
Where does the data for Al3BN4 come from?
Al3BN4 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the nitride semiconductors class.

Unlike the highly stable and technologically ubiquitous AlN or GaN, Al3BN4 is a more exotic and less thermodynamically favored phase. While BN and AlN serve as foundational building blocks for modern optoelectronics, Al3BN4 represents a more complex, metastable variation that highlights the diverse structural possibilities within the nitride semiconductor family.

Explore

Related Compounds

Other Nitride Semiconductors in the database.

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

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