KSb

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

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

About KSb

KSb is a binary inorganic compound that sits firmly on the thermodynamic convex hull, indicating high stability. As a semiconducting material, it represents an interesting subject for researchers investigating the electronic properties of alkali metal antimonides.

With a significant number of reported structures across major databases, this compound is a well-documented subject in solid-state chemistry. Its stability and electronic nature make it a valuable candidate for fundamental studies into the behavior of potassium-antimony systems.

At a glance

Key Properties

Cross-validated computational properties for KSb, aggregated across 4 databases.

Band Gap

0.82 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

53
4 databases, 14 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of KSb. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting KSb.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where KSb is used.

Semiconductor researchSolid-state chemistry studiesFundamental materials science
Reference

Frequently Asked Questions

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

What is KSb?

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

More questions
What is KSb used for?
KSb is used in semiconductor research, solid-state chemistry studies, and fundamental materials science.
What is the band gap of KSb?
KSb has a DFT-computed band gap of 0.82 eV across 53 reported structures.
Is KSb a metal, semiconductor, or insulator?
With a band gap up to 0.82 eV it is a semiconductor.
Is KSb thermodynamically stable?
Yes — KSb sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of KSb are known?
53 structures of KSb are reported across 4 databases, spanning 14 distinct space groups.
How is KSb synthesized?
Literature-reported routes for KSb include solid state (2 procedures documented).
What elements does KSb contain?
KSb contains K and Sb (2 elements).
Where does the data for KSb come from?
KSb data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone entry in this context, KSb serves as a primary reference point for understanding the structural diversity and thermodynamic viability of potassium-antimony binary phases.

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

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