In2IrRh

In2IrRh is a semimetallic intermetallic alloy composed of indium, iridium, and rhodium, primarily studied for its electronic properties and potential catalytic applications.

Crystal structure of In2IrRh
Ground-state structure · Materials Project
Overview

About In2IrRh

In2IrRh is a complex intermetallic compound belonging to the class of platinum-group alloy catalysts. As a near-zero-gap semimetallic material, it exhibits unique electronic properties that bridge the behavior of metals and semiconductors, making it a subject of interest for fundamental studies in condensed matter physics and catalysis science. Despite its position above the thermodynamic hull, which suggests potential metastability, the compound is represented by multiple reported structures across research databases. Its synthesis and characterization contribute to the broader understanding of how noble metal combinations influence electronic structure and chemical reactivity.

At a glance

Key Properties

Cross-validated computational properties for In2IrRh, aggregated across 3 databases.

Band Gap

0.05 eV
Range across DFT structures

Energy Above Hull

2.424 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

6
3 databases, 1 space group
Uses

Applications

Where In2IrRh is used.

Catalysis researchIntermetallic material studiesElectronic structure investigation
Reference

Frequently Asked Questions

Common questions about In2IrRh, answered from cross-validated data.

What is In2IrRh?

In2IrRh is a semimetallic intermetallic alloy composed of indium, iridium, and rhodium, primarily studied for its electronic properties and potential catalytic applications.

More questions
What is In2IrRh used for?
In2IrRh is used in catalysis research, intermetallic material studies, and electronic structure investigation.
What is the band gap of In2IrRh?
In2IrRh has a DFT-computed band gap of 0.05 eV across 6 reported structures.
Is In2IrRh a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is In2IrRh thermodynamically stable?
In2IrRh has a lowest energy above hull of 2.424 eV/atom (above hull).
How many polymorphs of In2IrRh are known?
6 structures of In2IrRh are reported across 3 databases, spanning 1 distinct space group.
What elements does In2IrRh contain?
In2IrRh contains In, Ir, and Rh (3 elements).
Where does the data for In2IrRh come from?
In2IrRh 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, In2IrRh occupies a distinct niche compared to more stable or common siblings like LaRh or GeRu. While many members of this class are investigated for their robust catalytic performance, In2IrRh is notable for its semimetallic character and structural diversity, standing out as a specialized candidate for research into non-traditional alloy configurations.

Explore

Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

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

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