FeRe

FeRe is a metallic iron-rhenium compound known for its structural diversity despite its thermodynamic instability.

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

About FeRe

FeRe is a metallic binary compound composed of iron and rhenium. Its electronic character is defined by its metallic nature, lacking a band gap, which makes it a subject of interest for fundamental studies in transition metal alloys.

While it is classified as thermodynamically unstable relative to its constituent elements, it remains a notable subject of research. It has been extensively characterized across multiple databases, reflecting a high degree of structural complexity and scientific curiosity.

At a glance

Key Properties

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

Band Gap

Metallic / not reported

Energy Above Hull

0.105 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

103
4 databases, 21 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of FeRe. 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 FeRe is used.

Fundamental materials researchAlloy phase stability studies
Reference

Frequently Asked Questions

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

What is FeRe?

FeRe is a metallic iron-rhenium compound known for its structural diversity despite its thermodynamic instability.

More questions
What is FeRe used for?
FeRe is used in fundamental materials research and alloy phase stability studies.
What is the band gap of FeRe?
FeRe is computed to be metallic (no band gap) in the reported DFT structures.
Is FeRe a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is FeRe thermodynamically stable?
FeRe has a lowest energy above hull of 0.105 eV/atom (above hull).
How many polymorphs of FeRe are known?
103 structures of FeRe are reported across 4 databases, spanning 21 distinct space groups.
What elements does FeRe contain?
FeRe contains Fe and Re (2 elements).
Where does the data for FeRe come from?
FeRe data is cross-referenced from latticegraph.
Comparison

How It Compares

As a binary transition metal alloy, FeRe serves as a distinct case study for understanding phase stability and structural diversity in systems where iron and rhenium interact, highlighting the challenges of synthesizing stable phases in this specific metallic combination.

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

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