TlBr

thallium bromide · thallium(I) bromide

Thallium bromide is a semiconducting salt used primarily for its ability to detect radiation and for its specialized optical properties.

BrTl
Crystal structure of TlBr
Ground-state structure · Materials Project
Overview

About thallium bromide

Thallium bromide is a robust semiconducting compound that exists as a stable phase on the convex hull. Its electronic properties make it a highly effective material for converting ionizing radiation into electrical signals, which is critical for sensitive detection equipment. Beyond its role in sensors, the material is valued for its unique optical characteristics. It remains a subject of extensive research due to its structural versatility, with numerous reported configurations across scientific databases.

At a glance

Key Properties

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

Band Gap

1.99–2.30 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

48
4 databases, 13 space groups
Uses

Applications

Where thallium bromide is used.

Radiation detectorsInfrared optical componentsScintillation crystals
Reference

Frequently Asked Questions

Common questions about thallium bromide, answered from cross-validated data.

What is TlBr?

Thallium bromide is a semiconducting salt used primarily for its ability to detect radiation and for its specialized optical properties.

More questions
What is TlBr used for?
thallium bromide (TlBr) is used in radiation detectors, infrared optical components, and scintillation crystals.
What is the band gap of TlBr?
thallium bromide (TlBr) has a DFT-computed band gap of 1.99–2.30 eV across 48 reported structures.
Is TlBr a metal, semiconductor, or insulator?
With a band gap up to 2.30 eV it is a semiconductor.
Is TlBr thermodynamically stable?
Yes — thallium bromide (TlBr) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of TlBr are known?
48 structures of TlBr are reported across 4 databases, spanning 13 distinct space groups.
What elements does TlBr contain?
thallium bromide (TlBr) contains Br and Tl (2 elements).
Where does the data for TlBr come from?
TlBr data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone material of interest, thallium bromide represents a significant member of the thallium halide family. It is distinguished by its favorable combination of electronic and structural stability, allowing it to function reliably in demanding environments where other materials might fail.

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

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