GeBr2

GeBr2 is a stable, semiconducting inorganic compound consisting of germanium and bromine atoms.

BrGe
Crystal structure of GeBr2
Ground-state structure · Materials Project
Overview

About GeBr2

GeBr2 is a semiconducting inorganic compound composed of germanium and bromine. As a thermodynamically stable phase located on the convex hull, it represents a well-defined structural arrangement within the germanium-halide system.

With extensive documentation across multiple materials databases, this compound serves as a significant subject for researchers studying the electronic and structural behavior of metal halides. Its stability makes it a reliable reference point for understanding bonding trends in similar semiconducting halide frameworks.

At a glance

Key Properties

Cross-validated computational properties for GeBr2, aggregated across 4 databases.

Band Gap

1.43–2.83 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

58
4 databases, 19 space groups
Uses

Applications

Where GeBr2 is used.

Materials science researchSolid-state chemistry studiesPrecursor for germanium-based materials
Reference

Frequently Asked Questions

Common questions about GeBr2, answered from cross-validated data.

What is GeBr2?

GeBr2 is a stable, semiconducting inorganic compound consisting of germanium and bromine atoms.

More questions
What is GeBr2 used for?
GeBr2 is used in materials science research, solid-state chemistry studies, and precursor for germanium-based materials.
What is the band gap of GeBr2?
GeBr2 has a DFT-computed band gap of 1.43–2.83 eV across 58 reported structures.
Is GeBr2 a metal, semiconductor, or insulator?
With a band gap up to 2.83 eV it is a semiconductor.
Is GeBr2 thermodynamically stable?
Yes — GeBr2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of GeBr2 are known?
58 structures of GeBr2 are reported across 4 databases, spanning 19 distinct space groups.
What elements does GeBr2 contain?
GeBr2 contains Br and Ge (2 elements).
Where does the data for GeBr2 come from?
GeBr2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct member of the germanium-halide family, GeBr2 provides a foundational example of a stable, semiconducting binary halide. It serves as a critical benchmark for evaluating the structural diversity and electronic characteristics inherent to this class of materials.

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

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