Eu

Europium · Eu

Europium is a metallic rare-earth element that is thermodynamically stable and widely studied for its diverse structural properties.

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

About Europium

Europium is a distinct metallic element known for its unique electronic character. As a thermodynamically stable substance, it maintains a robust structural profile that has been extensively documented across numerous experimental and computational databases.

Its role as a reactive rare-earth metal makes it essential in specialized technological applications. The material is highly regarded in research for its structural versatility, evidenced by the significant number of reported crystal configurations found in scientific literature.

At a glance

Key Properties

Cross-validated computational properties for Europium, aggregated across 5 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
3 DFT sources

Structures

22
5 databases, 6 space groups
Validation

Cross-Source DFT Agreement

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

Agreement Score

1.00 / 1.00
Trust tier: high

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, nomad

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Eu.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where Europium is used.

Phosphor productionFluorescent labelingNuclear control rodsMagnetic materials research
Reference

Frequently Asked Questions

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

What is Eu?

Europium is a metallic rare-earth element that is thermodynamically stable and widely studied for its diverse structural properties.

More questions
What is Eu used for?
Europium (Eu) is used in phosphor production, fluorescent labeling, nuclear control rods, and magnetic materials research.
What is the band gap of Eu?
Europium (Eu) is computed to be metallic (no band gap) in the reported DFT structures.
Is Eu a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Eu thermodynamically stable?
Yes — Europium (Eu) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Eu are known?
22 structures of Eu are reported across 5 databases, spanning 6 distinct space groups.
How is Eu synthesized?
Literature-reported routes for Eu include sol gel (10 procedures documented).
What elements does Eu contain?
Europium (Eu) contains Eu (1 element).
Where does the data for Eu come from?
Eu data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone metallic element, Europium serves as a fundamental building block in materials science, representing the characteristic behavior of lanthanide metals without the need for complex alloying to achieve thermodynamic stability.

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

Analyze Eu in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →