Ag4Ba8Si12

Ag4Ba8Si12 is a thermodynamically stable, semimetallic ternary silicide composed of silver, barium, and silicon.

AgBaSi
Crystal structure of Ag4Ba8Si12
Ground-state structure · Materials Project
Overview

About Ag4Ba8Si12

Ag4Ba8Si12 is a complex ternary silicide that sits directly on the convex hull, indicating high thermodynamic stability. Its composition, involving silver, barium, and silicon, results in a distinct structural arrangement that is of significant interest for fundamental materials research.

Characterized as a near-zero-gap semimetallic material, this compound exhibits electronic properties that bridge the divide between metals and semiconductors. Its stability and unique electronic signature make it a noteworthy subject for studies into the behavior of ternary intermetallic phases.

At a glance

Key Properties

Cross-validated computational properties for Ag4Ba8Si12, aggregated across 3 databases.

Band Gap

0.05 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

3
3 databases, 2 space groups
Reference

Frequently Asked Questions

Common questions about Ag4Ba8Si12, answered from cross-validated data.

What is Ag4Ba8Si12?

Ag4Ba8Si12 is a thermodynamically stable, semimetallic ternary silicide composed of silver, barium, and silicon.

More questions
What is the band gap of Ag4Ba8Si12?
Ag4Ba8Si12 has a DFT-computed band gap of 0.05 eV across 3 reported structures.
Is Ag4Ba8Si12 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Ag4Ba8Si12 thermodynamically stable?
Yes — Ag4Ba8Si12 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ag4Ba8Si12 are known?
3 structures of Ag4Ba8Si12 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Ag4Ba8Si12 contain?
Ag4Ba8Si12 contains Ag, Ba, and Si (3 elements).
Where does the data for Ag4Ba8Si12 come from?
Ag4Ba8Si12 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct ternary phase, Ag4Ba8Si12 represents a specialized structural configuration within the broader landscape of silver-barium-silicon compounds, serving as a stable reference point for understanding how these elements interact in complex crystalline environments.

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

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