Ba2F8Mg2

Ba2F8Mg2 is a wide-gap insulating fluoride compound that is considered thermodynamically stable and potentially synthesizable.

BaFMg
Crystal structure of Ba2F8Mg2
Ground-state structure · Materials Project
Overview

About Ba2F8Mg2

Ba2F8Mg2 is an insulating fluoride compound characterized by a wide electronic band gap. Its structure is defined by the arrangement of barium, magnesium, and fluorine ions, which contribute to its status as a stable, near-hull material that is likely synthesizable for experimental investigation.

This material is of significant interest in materials science due to its structural complexity, as evidenced by its presence across multiple structural databases. Its insulating nature and chemical composition suggest potential utility in specialized optical or dielectric applications where wide-gap materials are required.

At a glance

Key Properties

Cross-validated computational properties for Ba2F8Mg2, aggregated across 4 databases.

Band Gap

6.80–7.10 eV
Range across DFT structures

Energy Above Hull

0.004 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

15
4 databases, 3 space groups
Uses

Applications

Where Ba2F8Mg2 is used.

Solid-state researchDielectric materials developmentAdvanced optical materials
Reference

Frequently Asked Questions

Common questions about Ba2F8Mg2, answered from cross-validated data.

What is Ba2F8Mg2?

Ba2F8Mg2 is a wide-gap insulating fluoride compound that is considered thermodynamically stable and potentially synthesizable.

More questions
What is Ba2F8Mg2 used for?
Ba2F8Mg2 is used in solid-state research, dielectric materials development, and advanced optical materials.
What is the band gap of Ba2F8Mg2?
Ba2F8Mg2 has a DFT-computed band gap of 6.80–7.10 eV across 15 reported structures.
Is Ba2F8Mg2 a metal, semiconductor, or insulator?
With a wide band gap up to 7.10 eV it is an insulator / wide-band-gap material.
Is Ba2F8Mg2 thermodynamically stable?
Ba2F8Mg2 has a lowest energy above hull of 0.004 eV/atom (near hull (likely stable)).
How many polymorphs of Ba2F8Mg2 are known?
15 structures of Ba2F8Mg2 are reported across 4 databases, spanning 3 distinct space groups.
What elements does Ba2F8Mg2 contain?
Ba2F8Mg2 contains Ba, F, and Mg (3 elements).
Where does the data for Ba2F8Mg2 come from?
Ba2F8Mg2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique fluoride phase, Ba2F8Mg2 occupies a distinct position within the landscape of alkaline-earth metal fluorides. While it lacks direct structural siblings in this specific grouping, its near-hull thermodynamic stability makes it a noteworthy subject for researchers exploring complex multi-cation fluoride systems.

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

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