Ru

Ruthenium · Ru

Ruthenium is a stable, metallic transition element from the platinum group that serves as a highly effective catalyst in industrial chemical synthesis.

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

About Ruthenium

Ruthenium is a rare transition metal belonging to the platinum-group elements, characterized by its robust metallic nature and high thermodynamic stability. As a fundamental building block in materials science, it is recognized for its structural versatility, appearing in numerous distinct crystalline arrangements across various databases. Its inherent electronic properties make it a cornerstone for advanced catalytic applications, where it facilitates complex chemical transformations with high efficiency. Beyond its role in catalysis, the element is prized for its ability to enhance the hardness and corrosion resistance of alloys, serving as a critical component in demanding technological environments. Its stability ensures reliable performance in harsh conditions, solidifying its status as a vital material in modern industrial processes.

At a glance

Key Properties

Cross-validated computational properties for Ruthenium, 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

25
5 databases, 4 space groups
Validation

Cross-Source DFT Agreement

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

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
Sol Gel
Procedure available · ceder_sol_gel
Uses

Applications

Where Ruthenium is used.

Heterogeneous catalysisHardening agent for platinum and palladium alloysElectrical contact materialsChemical vapor deposition precursorsElectrode materials for electrochemical cells
Reference

Frequently Asked Questions

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

What is Ru?

Ruthenium is a stable, metallic transition element from the platinum group that serves as a highly effective catalyst in industrial chemical synthesis.

More questions
What is Ru used for?
Ruthenium (Ru) is used in heterogeneous catalysis, hardening agent for platinum and palladium alloys, electrical contact materials, chemical vapor deposition precursors, and electrode materials for electrochemical cells.
What is the band gap of Ru?
Ruthenium (Ru) is computed to be metallic (no band gap) in the reported DFT structures.
Is Ru a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Ru thermodynamically stable?
Yes — Ruthenium (Ru) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ru are known?
25 structures of Ru are reported across 5 databases, spanning 4 distinct space groups.
How is Ru synthesized?
Literature-reported routes for Ru include solid state, sol gel (10 procedures documented).
What elements does Ru contain?
Ruthenium (Ru) contains Ru (1 element).
Where does the data for Ru come from?
Ru data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the platinum-group alloy catalysts class.

Within the diverse family of platinum-group alloy catalysts, ruthenium stands out as a pure elemental benchmark compared to complex intermetallic siblings like Ga2Ru or GeRu. While compounds such as P3Ru or LaRh are engineered for specific electronic tuning, elemental ruthenium provides a baseline of high chemical resistance and catalytic activity that defines the performance expectations for the entire class.

Explore

Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

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

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