Au1Hg2Na1

Au1Hg2Na1 is a semiconducting ternary intermetallic compound that exhibits metastable thermodynamic behavior.

AuHgNa
Crystal structure of Au1Hg2Na1
Ground-state structure · Materials Project
Overview

About Au1Hg2Na1

Au1Hg2Na1 is a complex ternary intermetallic compound composed of gold, mercury, and sodium. As a semiconducting material, it occupies a unique position in the electronic landscape, offering distinct charge transport behaviors that differ from typical metallic alloys.

Despite its existence in structural databases, this compound is characterized by its thermodynamic instability, placing it above the energy hull. This suggests that while it can be synthesized or observed under specific conditions, it remains a metastable phase of significant interest for fundamental materials research.

At a glance

Key Properties

Cross-validated computational properties for Au1Hg2Na1, aggregated across 2 databases.

Band Gap

1.33 eV
Range across DFT structures

Energy Above Hull

0.551 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

27
2 databases, 17 space groups
Reference

Frequently Asked Questions

Common questions about Au1Hg2Na1, answered from cross-validated data.

What is Au1Hg2Na1?

Au1Hg2Na1 is a semiconducting ternary intermetallic compound that exhibits metastable thermodynamic behavior.

More questions
What is the band gap of Au1Hg2Na1?
Au1Hg2Na1 has a DFT-computed band gap of 1.33 eV across 27 reported structures.
Is Au1Hg2Na1 a metal, semiconductor, or insulator?
With a band gap up to 1.33 eV it is a semiconductor.
Is Au1Hg2Na1 thermodynamically stable?
Au1Hg2Na1 has a lowest energy above hull of 0.551 eV/atom (above hull).
How many polymorphs of Au1Hg2Na1 are known?
27 structures of Au1Hg2Na1 are reported across 2 databases, spanning 17 distinct space groups.
What elements does Au1Hg2Na1 contain?
Au1Hg2Na1 contains Au, Hg, and Na (3 elements).
Where does the data for Au1Hg2Na1 come from?
Au1Hg2Na1 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a singular entry in this specific compositional space, Au1Hg2Na1 represents a specialized case of ternary intermetallics. Without direct structural siblings for comparison, its role is defined by its semiconducting nature, which distinguishes it from the more common metallic behavior typically associated with gold-mercury-alkali metal systems.

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

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