Au2K6Sn8

Au2K6Sn8 is a thermodynamically stable semiconducting intermetallic compound used in materials science research.

Crystal structure of Au2K6Sn8
Ground-state structure · Materials Project
Overview

About Au2K6Sn8

Au2K6Sn8 is a thermodynamically stable intermetallic compound that occupies a distinct position within the broader landscape of complex halide-related materials. As a semiconducting phase, it offers unique electronic properties that are of significant interest for fundamental solid-state research and potential optoelectronic integration.

Its structural stability, confirmed by its position on the convex hull, makes it a reliable subject for computational and experimental study. Researchers examine this compound to better understand how gold-potassium-tin frameworks influence carrier transport and structural integrity compared to traditional perovskite architectures.

At a glance

Key Properties

Cross-validated computational properties for Au2K6Sn8, aggregated across 3 databases.

Band Gap

0.40 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

3
3 databases, 1 space group
Uses

Applications

Where Au2K6Sn8 is used.

Solid-state researchSemiconductor developmentMaterials science exploration
Reference

Frequently Asked Questions

Common questions about Au2K6Sn8, answered from cross-validated data.

What is Au2K6Sn8?

Au2K6Sn8 is a thermodynamically stable semiconducting intermetallic compound used in materials science research.

More questions
What is Au2K6Sn8 used for?
Au2K6Sn8 is used in solid-state research, semiconductor development, and materials science exploration.
What is the band gap of Au2K6Sn8?
Au2K6Sn8 has a DFT-computed band gap of 0.40 eV across 3 reported structures.
Is Au2K6Sn8 a metal, semiconductor, or insulator?
With a band gap up to 0.40 eV it is a semiconductor.
Is Au2K6Sn8 thermodynamically stable?
Yes — Au2K6Sn8 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Au2K6Sn8 are known?
3 structures of Au2K6Sn8 are reported across 3 databases, spanning 1 distinct space group.
What elements does Au2K6Sn8 contain?
Au2K6Sn8 contains Au, K, and Sn (3 elements).
Where does the data for Au2K6Sn8 come from?
Au2K6Sn8 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the halide perovskite photovoltaics class.

While many members of this class, such as CsPbBr3 or CsSnI3, are widely recognized for their high-performance photovoltaic applications, Au2K6Sn8 represents a more specialized, metal-rich structural variant. Unlike the halide-heavy frameworks found in compounds like Cl12Cs4Sn4, this material emphasizes the interplay between noble metal and post-transition metal bonding, offering a different electronic landscape for researchers exploring non-traditional semiconductor candidates.

Explore

Related Compounds

Other Halide Perovskite Photovoltaics in the database.

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

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