CeAsRh

CeAsRh is a thermodynamically stable, semimetallic ternary alloy containing cerium, arsenic, and rhodium used in advanced materials research.

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

About CeAsRh

CeAsRh is a thermodynamically stable ternary compound belonging to the platinum-group alloy catalyst class. Characterized by its near-zero-gap semimetallic electronic structure, this material maintains structural integrity on the convex hull, making it a robust candidate for specialized catalytic research.

Its unique composition of cerium, arsenic, and rhodium positions it as a significant subject for studies in electronic transport and surface reactivity. The compound is primarily utilized in fundamental materials science investigations aimed at understanding the interplay between rare-earth elements and platinum-group metals in catalytic environments.

At a glance

Key Properties

Cross-validated computational properties for CeAsRh, aggregated across 3 databases.

Band Gap

0.04 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

6
3 databases, 4 space groups
Uses

Applications

Where CeAsRh is used.

Catalytic researchElectronic transport studiesFundamental materials science
Reference

Frequently Asked Questions

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

What is CeAsRh?

CeAsRh is a thermodynamically stable, semimetallic ternary alloy containing cerium, arsenic, and rhodium used in advanced materials research.

More questions
What is CeAsRh used for?
CeAsRh is used in catalytic research, electronic transport studies, and fundamental materials science.
What is the band gap of CeAsRh?
CeAsRh has a DFT-computed band gap of 0.04 eV across 6 reported structures.
Is CeAsRh a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is CeAsRh thermodynamically stable?
Yes — CeAsRh sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CeAsRh are known?
6 structures of CeAsRh are reported across 3 databases, spanning 4 distinct space groups.
What elements does CeAsRh contain?
CeAsRh contains As, Ce, and Rh (3 elements).
Where does the data for CeAsRh come from?
CeAsRh data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the platinum-group alloy catalysts class.

Within the diverse landscape of platinum-group alloys, CeAsRh distinguishes itself from siblings like As2Pt and As2Ir through its specific ternary stoichiometry and semimetallic nature. While many members of this class are binary systems, the inclusion of cerium provides a distinct electronic environment that contrasts with the more conventional transition metal-rich phases like Ga2Ru or GeRu.

Explore

Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

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

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