KSb2

KSb2 is a thermodynamically stable semiconducting binary compound formed from potassium and antimony.

KSb
Crystal structure of KSb2
Ground-state structure · Materials Project
Overview

About KSb2

KSb2 is a binary inorganic compound composed of potassium and antimony. It is recognized as a thermodynamically stable phase, residing on the convex hull, which indicates a robust structural configuration under standard conditions. As a semiconducting material, it is of interest for its electronic properties. The compound has been extensively characterized in materials databases, with numerous reported structures highlighting its significance in solid-state chemistry research.

At a glance

Key Properties

Cross-validated computational properties for KSb2, 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

38
3 databases, 8 space groups
Uses

Applications

Where KSb2 is used.

Solid-state materials researchSemiconductor development
Reference

Frequently Asked Questions

Common questions about KSb2, answered from cross-validated data.

What is KSb2?

KSb2 is a thermodynamically stable semiconducting binary compound formed from potassium and antimony.

More questions
What is KSb2 used for?
KSb2 is used in solid-state materials research and semiconductor development.
What is the band gap of KSb2?
KSb2 has a DFT-computed band gap of 0.22 eV across 38 reported structures.
Is KSb2 a metal, semiconductor, or insulator?
With a band gap up to 0.22 eV it is a semiconductor.
Is KSb2 thermodynamically stable?
Yes — KSb2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of KSb2 are known?
38 structures of KSb2 are reported across 3 databases, spanning 8 distinct space groups.
What elements does KSb2 contain?
KSb2 contains K and Sb (2 elements).
Where does the data for KSb2 come from?
KSb2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique binary phase, KSb2 serves as a foundational example of potassium-antimony interactions. Without direct structural siblings in this specific class, it stands as a primary reference point for understanding how alkali metals integrate with pnictogens to form stable semiconducting frameworks.

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

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