Ag1Au2Ge1

Ag1Au2Ge1 is a semimetallic ternary compound composed of silver, gold, and germanium that exhibits metastable structural characteristics.

AgAuGe
Crystal structure of Ag1Au2Ge1
Ground-state structure · Materials Project
Overview

About Ag1Au2Ge1

Ag1Au2Ge1 is a ternary intermetallic compound composed of silver, gold, and germanium. It exhibits a near-zero-gap electronic character, placing it in the category of semimetallic materials that bridge the gap between conductors and semiconductors.

This material is characterized by its position above the thermodynamic hull, suggesting it is a metastable phase. With numerous documented structural variations, it remains a subject of interest for fundamental studies in solid-state chemistry and materials science.

At a glance

Key Properties

Cross-validated computational properties for Ag1Au2Ge1, aggregated across 2 databases.

Band Gap

0.01 eV
Range across DFT structures

Energy Above Hull

1.306 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

26
2 databases, 16 space groups
Reference

Frequently Asked Questions

Common questions about Ag1Au2Ge1, answered from cross-validated data.

What is Ag1Au2Ge1?

Ag1Au2Ge1 is a semimetallic ternary compound composed of silver, gold, and germanium that exhibits metastable structural characteristics.

More questions
What is the band gap of Ag1Au2Ge1?
Ag1Au2Ge1 has a DFT-computed band gap of 0.01 eV across 26 reported structures.
Is Ag1Au2Ge1 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Ag1Au2Ge1 thermodynamically stable?
Ag1Au2Ge1 has a lowest energy above hull of 1.306 eV/atom (above hull).
How many polymorphs of Ag1Au2Ge1 are known?
26 structures of Ag1Au2Ge1 are reported across 2 databases, spanning 16 distinct space groups.
What elements does Ag1Au2Ge1 contain?
Ag1Au2Ge1 contains Ag, Au, and Ge (3 elements).
Where does the data for Ag1Au2Ge1 come from?
Ag1Au2Ge1 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary intermetallic, Ag1Au2Ge1 serves as an intriguing case study for how noble metals interact with group-four elements to form complex, metastable crystalline frameworks.

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

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