Os1Ru1Sc2

Os1Ru1Sc2 is a semimetallic, metastable intermetallic compound belonging to the class of platinum-group alloy catalysts.

Crystal structure of Os1Ru1Sc2
Ground-state structure · Materials Project
Overview

About Os1Ru1Sc2

Os1Ru1Sc2 is a complex intermetallic compound categorized within the platinum-group alloy catalysts. Characterized by a near-zero-gap electronic structure, it exhibits semimetallic behavior that distinguishes its charge transport properties from typical metallic catalysts.

As a material currently positioned above the thermodynamic hull, it represents a metastable phase of interest in high-throughput materials discovery. Its structural complexity is evidenced by a significant number of reported configurations, making it a subject of study for researchers mapping the phase space of ternary transition metal systems.

At a glance

Key Properties

Cross-validated computational properties for Os1Ru1Sc2, aggregated across 2 databases.

Band Gap

0.03 eV
Range across DFT structures

Energy Above Hull

3.364 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

27
2 databases, 16 space groups
Uses

Applications

Where Os1Ru1Sc2 is used.

Catalysis researchMaterials science explorationFundamental condensed matter physics
Reference

Frequently Asked Questions

Common questions about Os1Ru1Sc2, answered from cross-validated data.

What is Os1Ru1Sc2?

Os1Ru1Sc2 is a semimetallic, metastable intermetallic compound belonging to the class of platinum-group alloy catalysts.

More questions
What is Os1Ru1Sc2 used for?
Os1Ru1Sc2 is used in catalysis research, materials science exploration, and fundamental condensed matter physics.
What is the band gap of Os1Ru1Sc2?
Os1Ru1Sc2 has a DFT-computed band gap of 0.03 eV across 27 reported structures.
Is Os1Ru1Sc2 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Os1Ru1Sc2 thermodynamically stable?
Os1Ru1Sc2 has a lowest energy above hull of 3.364 eV/atom (above hull).
How many polymorphs of Os1Ru1Sc2 are known?
27 structures of Os1Ru1Sc2 are reported across 2 databases, spanning 16 distinct space groups.
What elements does Os1Ru1Sc2 contain?
Os1Ru1Sc2 contains Os, Ru, and Sc (3 elements).
Where does the data for Os1Ru1Sc2 come from?
Os1Ru1Sc2 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the platinum-group alloy catalysts class.

Unlike more stable members of the platinum-group alloy class such as GeRu or IrSe2, Os1Ru1Sc2 exists in a metastable state, reflecting the diverse structural landscape found in ternary scandium-based alloys compared to their binary counterparts.

Explore

Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

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

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