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

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.
Key Properties
Cross-validated computational properties for Ag1Au2Ge1, aggregated across 2 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
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.
What is the band gap of Ag1Au2Ge1?
Is Ag1Au2Ge1 a metal, semiconductor, or insulator?
Is Ag1Au2Ge1 thermodynamically stable?
How many polymorphs of Ag1Au2Ge1 are known?
What elements does Ag1Au2Ge1 contain?
Where does the data for Ag1Au2Ge1 come from?
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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