KGa3

KGa3 is a thermodynamically stable semiconducting intermetallic compound formed from potassium and gallium.

GaK
Crystal structure of KGa3
Ground-state structure · Materials Project
Overview

About KGa3

KGa3 is a stable intermetallic compound composed of potassium and gallium. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined structural arrangement within the potassium-gallium binary system.

Exhibiting semiconducting electronic character, this material is of significant interest for fundamental studies in solid-state chemistry. Its structural diversity is highlighted by numerous reported configurations across multiple crystallographic databases, making it a valuable subject for investigating structure-property relationships.

At a glance

Key Properties

Cross-validated computational properties for KGa3, aggregated across 3 databases.

Band Gap

0.22 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

24
3 databases, 8 space groups
Uses

Applications

Where KGa3 is used.

Solid-state chemistry researchFundamental materials science studiesElectronic property modeling
Reference

Frequently Asked Questions

Common questions about KGa3, answered from cross-validated data.

What is KGa3?

KGa3 is a thermodynamically stable semiconducting intermetallic compound formed from potassium and gallium.

More questions
What is KGa3 used for?
KGa3 is used in solid-state chemistry research, fundamental materials science studies, and electronic property modeling.
What is the band gap of KGa3?
KGa3 has a DFT-computed band gap of 0.22 eV across 24 reported structures.
Is KGa3 a metal, semiconductor, or insulator?
With a band gap up to 0.22 eV it is a semiconductor.
Is KGa3 thermodynamically stable?
Yes — KGa3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of KGa3 are known?
24 structures of KGa3 are reported across 3 databases, spanning 8 distinct space groups.
What elements does KGa3 contain?
KGa3 contains Ga and K (2 elements).
Where does the data for KGa3 come from?
KGa3 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct intermetallic phase, KGa3 serves as a foundational example of the complex bonding environments possible between alkali metals and group thirteen elements, providing a benchmark for stability and electronic behavior in this chemical space.

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

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