Fe

Iron · Fe

Iron is a stable, metallic chemical element that serves as the primary building block for steel and a wide range of essential structural materials.

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

About Iron

Iron is a naturally occurring metallic element that serves as the backbone of modern industrial civilization. As a thermodynamically stable substance, it maintains a robust structural integrity that makes it the primary component in steel production and various heavy-duty alloys. Its metallic nature allows for excellent electrical and thermal conductivity, which are essential for its widespread utility in infrastructure and manufacturing. With a vast array of reported crystal structures, iron exhibits significant versatility in how it can be processed and utilized across diverse scientific and engineering domains. This structural diversity underscores its role as one of the most extensively studied and utilized materials in human history.

At a glance

Key Properties

Cross-validated computational properties for Iron, 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

155
5 databases, 10 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of Fe. 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 Fe.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
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 Iron is used.

Steel productionConstruction materialsAutomotive manufacturingElectromagnetic componentsCatalysis
Reference

Frequently Asked Questions

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

What is Fe?

Iron is a stable, metallic chemical element that serves as the primary building block for steel and a wide range of essential structural materials.

More questions
What is Fe used for?
Iron (Fe) is used in steel production, construction materials, automotive manufacturing, electromagnetic components, and catalysis.
What is the band gap of Fe?
Iron (Fe) is computed to be metallic (no band gap) in the reported DFT structures.
Is Fe a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Fe thermodynamically stable?
Yes — Iron (Fe) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Fe are known?
155 structures of Fe are reported across 5 databases, spanning 10 distinct space groups.
How is Fe synthesized?
Literature-reported routes for Fe include solid state, sol gel (10 procedures documented).
What elements does Fe contain?
Iron (Fe) contains Fe (1 element).
Where does the data for Fe come from?
Fe data is cross-referenced from latticegraph.
Comparison

How It Compares

As a foundational metallic element, iron occupies a unique position in materials science, serving as the primary reference point for structural metals. Unlike many specialized alloys that are engineered for specific niche environments, iron is a ubiquitously stable material that provides the essential framework for countless industrial applications worldwide.

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

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