CeF3

Cerium(III) fluoride · Cerous fluoride

Cerium(III) fluoride is a stable, semiconducting rare-earth halide widely used in optical and radiation-detection technologies.

CeF
Crystal structure of CeF3
Ground-state structure · Materials Project
Overview

About Cerium(III) fluoride

Cerium(III) fluoride is a robust, thermodynamically stable inorganic compound that exists on the convex hull, indicating high structural integrity. As a semiconducting material, it is highly valued for its unique electronic properties and its ability to maintain stability under various environmental conditions.

Due to its chemical resilience and optical transparency, this compound is widely utilized in high-performance applications. It serves as a critical component in the production of specialty glasses and as a foundational material in advanced scintillator technology for radiation detection.

At a glance

Key Properties

Cross-validated computational properties for Cerium(III) fluoride, aggregated across 4 databases.

Band Gap

0.95 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

27
4 databases, 10 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of CeF3. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Uses

Applications

Where Cerium(III) fluoride is used.

Scintillation detectorsOptical coatingsSpecialty glass manufacturingArc lamp electrodesCatalysis
Reference

Frequently Asked Questions

Common questions about Cerium(III) fluoride, answered from cross-validated data.

What is CeF3?

Cerium(III) fluoride is a stable, semiconducting rare-earth halide widely used in optical and radiation-detection technologies.

More questions
What is CeF3 used for?
Cerium(III) fluoride (CeF3) is used in scintillation detectors, optical coatings, specialty glass manufacturing, arc lamp electrodes, and catalysis.
What is the band gap of CeF3?
Cerium(III) fluoride (CeF3) has a DFT-computed band gap of 0.95 eV across 27 reported structures.
Is CeF3 a metal, semiconductor, or insulator?
With a band gap up to 0.95 eV it is a semiconductor.
Is CeF3 thermodynamically stable?
Yes — Cerium(III) fluoride (CeF3) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CeF3 are known?
27 structures of CeF3 are reported across 4 databases, spanning 10 distinct space groups.
What elements does CeF3 contain?
Cerium(III) fluoride (CeF3) contains Ce and F (2 elements).
Where does the data for CeF3 come from?
CeF3 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone material in this context, Cerium(III) fluoride represents a benchmark for stability and performance within the broader family of rare-earth halides, serving as a primary reference point for developing new optical and electronic materials.

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

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